Just fan spinning and power light and nothing else. Do you have two memory modules installed? the stripped down to bare minimum was a success thanks for the idea, the stripped down to bare minimum was a success. Hey, i have a compaq presario f700 it used to work fine for almost 2 years untill one day it when i use it theres is no sign of power i mean when i pressed the power button the light on the led lit or 3 sec then shuts down again..i test the adaptor its ok and has a right voltage of 19v..pls help me suggest what else could i do..il try to open and work on the mobo to check what would be the problem.. Possible graphics card failure. Could somebody help me? i had a 1700q hifi pc (all in one pc) made by G7 SYSTGEMS THE SYSTEM GOT BLACK SCREEN AND AS WE DONOT HAVE THE COMPANY AUTHORISED REPAIRING CENTRE AT OUR CITY WE SENT REPEATED MAILS TO THE COMPANY TO ARRANGE THE SERVICE PERSONNEL BUT NO COMMUNICATION FROM THEIR END WHEN I CONTACTED THE LOCAL MECHANIC I WAS TOLD THAT THE SAME IS DUE TO ONE OF THE IC PROBLEM AND THE SAME SHOULD BE RECTIFIED BY ONLY THE COMPANY HOW CAN I SOLVE THIS PROBLEM I could hear strange noise though not very loud from the processor socket when I plug in the power adapter (the laptop is still switched off, but i still can hear the noise). charging light was up,power light was up but the hard disk light didnt lit up. Maybe you can help us and create an easy to follow guide for fixing the motherboard? Fan kicks in, appears to boot, but nothing on screen. Hi, I have a Dell XPS M170 Laptop. This is our second iteration of the Step Skyrim Special Edition guide for Skyrim Anniversary Edition. Reinstall factory software from the recovery disc. It works fine before until know it wont start. I think the motherboard is fried so im thinking about ordering one from ebay that isnt that expensive. no power Any help appreciated . THANK YOU A MILLION! Bad motherboard. Is it worth repairing it has all my daughters Uni worl on etc. The only difference is, when i connect the power cord the battery LED flashes for 3 seconds and then stays on. Unplug HDD, DVD drive, keyboard. The wireless led & power led light up and then the laptop does nothing. I have a Toshiba Protege R100 laptop that will not boot up. i have a Acer 4736(running on vista) and seems that i have i battery problem because it wont open unless its plug but heres the main problem, when i open my laptop, Acer logo will appear, then it will load or about 2-5 seconds then itll die..i cant open my laptop,this started like a month ago..please sir,your help will be very much appreciated.. i think is not worth reparing it because that does means is the motherboard and it can be expensive but what you can do instead is go buy another laptop and buy a external hard disk drive enclosure (be sure to know if the hard disk drive on your old laptop is SATA or IDE)and select the right external enclousure for it and plug it in into the new one that way you can recover all the info saved on the old one , any more questions email me at: Is it the motherboard or more likely the graphics card? I dont fix laptops on component level. I dropped water on my laptop and everything works fine now except for the crackling noise emanating from my speakers. Again, thank you for posting the heads up where it was likely to be found by many people like me. Do you get any activity from the laptop when you press on the power button at all? I go to get on it about 5 minutes ago and the fan and everything happens but its a black blank screen and when I push a key it makes an extremely loud beep. Maybe the power button is bad? It worked fine until about 2 weeks ago when the machine started to slow down and it then froze (so she says). I have a Compaq F730 and the wireless card quit working. If we assume your new motherboard and DC jack are good, most likely its either bad CPU or memory. Example 1. Are you using correct screws? Hi Sorry Filipe, I cannot give you a good advice without testing the laptop. Left hinge contained the display cable, Right hinge contained a black and a white wire that snake through the bezel of the LCD and terminate on 2 different side into some type of clip. WebHp Laptop Power On | No Display Caps Lock Light Blinking Two Times #Aditya11ttt & #SatishbhaiThis channel is Related to, Advanced Chip level repair of Laptop. I tried turns on again. I'm on a Dell desktop and Windows 10. If changing or reseating memory doesnt help, you can try this: ga.src = ('https:' == document.location.protocol ? I press F2 for cmos maintenance set it it to default and it works. I tried doing everything and when i messed with the ram and then tried it on the external monitor, it started working on the monitor. Any help would be appreciated. i have a problem with my dell laptop(inspiron-8200).When i switch on my laptop led blinks for 5sec and there will be sudden shut down i tried by reinstalling hard drive and ram but no use please tell me what to do next, What a mazing website ! Sometimes, the computer is hank and the screen is flawad sometimes. When I press the power button, the power and battery LEDs flash then go off. I have a laptop that is dead, no fans or lights. In this post Ill explain how to troubleshoot a dead laptop and find the problem. This Release []. So I replaced the DC jack, twice. A household is deemed unbanked when no one in the home has an account with a bank or credit union. 2.laptop not boot with adapter connection but without adapter connection laptop working properlly. please help what can i do other then buy new laptop or have some one do some thing simple as changing the battery for like $50-$100.. I cannot believe this could be the problem. Evidently there is a systemboard crack near the back but after removing the pcb and staring at it thru a glass, until blue in the face, I cant see it. I have a problem with my dell latitude d610, it operates normally without any problem, and then all of a sudden I get the message that my ac adapter has been disconnected and I am on battery power now, but I did not disconnect it. A very models of HP Pavilion have a problems with the graphics chip, in a some web(i dont remember)a guy puts a video to see how to repair this.jaja jaja. Hi Cj, great web resource you have made here, very helpful. the led light up but the keyboard aint doin any thing i also tried the moniter and more nothin Fn and F5 keys on Toshiba laptops if you have any idea that could help me pls reply me Wont pass POST. JB. I would be grateful for any advice. So Ive done a research on this site till I got something like having a problem with the DC Jack and believe me it really is the problem. I had acer aspire 4520 laptop which stopped suddenly giving black and white lines blinking on the LCD screen; i pushed the poweron button to turn it off. the CDROM will look for a CD, it will spin but wont boot. BRILLIANT POST. Acer replaced the motherboard/CPU and now I am getting the black screen of death again. After all files are recovered, you can format the hard drive and use it as an external storage. I removed the hdd, ram, wireless card, keybord, lcd and conected to a external one, nothink seems to work. Taking the ram out does cause a beeping So is this a sign that the mobo is not dead? fan not working. When that happens I have to unplug the laptop and remove the battery to get the laptop to shut off. The following troubleshooting tips are not model and brand specific. it was ok then one morning i turned it on and it only powers on for a few seconds . This description sounds like a software related problem. Looks like you know what you are doing and unfortunately, it does sound like a problem with the motherboard. I believe it may just be the leads for the Wifi antenna, but perhaps not. RAM: 2GB (1GB 667MHz X 2) ASUS will not help me either. Select Keyboard from the left pane. I tested the power adapter it is OK, the power connector of motherboard is OK. The laptop was Toshiba satellite something-something (6 months old, thousand bucks good). I need more information in order to troubleshoot the problem any further. I removed the two ram sticks and cleaned them up. i have hitachi prius b 200 ,last week i use it but no problem after a week i open it, the power cant on and then i try to push on for 15 second and then i push the power again laptop can operate normaly after 3 day i open it at the same problem , after on sudenly the windows Thanks. 7.bare-bone assemble everything to see if you get image, hopefully u will. It sometimes works. Also my monitor ribbon seems fine too any other troubleshooting ideas?? Ive taken out battery discharged with power button for a minute or so then tried to boot on AC adapter and another Acer AC adapter. Plugged in the old power pack worked for a couple hours then I shutdown but when I went to reboot, nada. please help me to solve problem. Every other issue with motherboard is completely repairable. i left for an hour working then it just stop working. Its possible the problem is INSIDE the adapter plug or cable. May I ask something?? Well I reassembled everything and now, with the motherboard off the case, it worked fine for a long time and I did not apply pressure anywhere. Finally, I disassembled my laptop completely, connect the motherboard to an external monitor and power supply, but when I press the power button, it showed the same problem. I heat the mainboard with the hot air station at the upper right corner (both sides, of course) and it works! What can I do? Try reinstalling the OS from scratch. Try removing memory modules one by one. have you tried hooking it up to an external monitor when you get no screen?? Maybe the CPU speed is set to low for the AC mode. I think and hope it might be the battery but I dont have a way of testing it and I was thinking if its ok to just plug the laptop to the outlet with out the battery would that be ok or do i have to have the battery in the laptop to convert the power so it can use it. also worked for about 1 year and one day when i started the laptop the display didnt showed up though the LED were working. Its so kind of you! Any help from someone would be great that has seen this before. I opened the top part of the laptop, looked a bit, could not figure out much and closed it. This problem usually happens to P4/PM/Centrino Boards. Please Kindly through more light on working on motherboard at chip level. Removing the CMOS battery was the second thing i tried, removed it for 12 hours. If nothing appears on the laptop screen, I mean its completely black and blank without any backlight, its possible that your problem is related to the video cable. 4.once u have everything apply heat to the GPU only!! i have also removed and replaced the cmos battery but still no luck. Please tell me what to do? Apart from that the fan also stops in 4-5 seconds after I turned it on. If the upper side of the screen works properly, most likely this is bad screen. Thoughts welcome, thanks in advance! if it was working then the windows flag should usually appear in a few seconds but it doesnt, sometimes the laptop turns off after that, sometimes it doesnt. My laptop I power up and the power light flickers and it wont power up. Can you change CPU speed for AC mode? thank you for the helped. I guess the next step would be removing some components and see if it fixes the problem. Do you get a POST screen. After visiting your site i have very good confidence in me.. I have th same problem for my VGN-C140 There is no CPU activity. I didnt pull the plug accidentally and there wasnt a black out at my home. Make sure the wall outlet is working and the AC adapter is getting power from the outlet. It says System BIOS is shadowed & video Bios is shadowed, One time I had no Hard drive, next time no BIOS. The laptop shuts down when the DVD drive is INSTALLED or the tray is CLOSED? Just a hunch but somehow i dont think thats the problem, but one never knows. Does your laptop start without hard drive installed? Just received my charger and plugged it in, only to find this one doesnt work either. Thanks fro having a place to ask quetions. It happend by using your step by step analysis and found that DVD drive is the culprit..How stupid i am :p and i call myself tech.. So, youve replaced the AC adapter, DC jack and motherboard but the laptop still doesnt start? Once started the slightest shake and the laptop freezes, and the whole process starts again. 2. If the adapter doesnt pass the test with a voltmeter, replace it with a new one and test the computer. Device manager does not recognize that it is there. It might have been infected by a virus. I have an ACER Aspire 4530. My GF has an Acer Aspire 5741 and I replaced a defective LCD screen about 9 months ago. Your description sounds like a problem with the memory. Push and hold the power button for at least 15 seconds. Make sure the AC adapter outputs correct voltage. C500 touch pad does not wok. That share of households has dropped by nearly half since 2009. Hi my Acer laptop is dead. password 95 was in computer, but it will not clear to do anything. Do you have two memory modules installed? Maybe your fellow didnt solder the cable properly and shorted something? Let me know if you ever get to the hardcore stuff. As I'm typing this, that indicator is front and center on my screen. I removed all the the parts from the motherboard (battery, vga, hard disk, everything). Anyway to replace or repair this? Disconnect the keyboard if you can. I tried everything friends.My system starts perfectly but i dont get any display.I have only one memory mudule.After I open it and clean it the system is back to normal.There is no time limit to switch it on. If the backlight lights up but barely glowing, probably the backlight lamp is dying and has to be replaced. Thanks a bunch i have a sony vaio vgn-ar70b and it was not starting up i tryed taking a ram module out and it now works fine, thanks a bunch. If you still cannot get image on the internal or external screens, most likely you have a problem with the motherboard. I know this is the problem because if I figit with it it will eventually get the computer to work. After waiting a couple of minutes, I hit the power button again. 3. The laptop should start fine even if the battery is dead. Could be memory related problem. Im glad a help. I have been using this laptop nearly 3-years. Click on Screen configurations tab. WebFirefox was created by Dave Hyatt and Blake Ross as an experimental branch of the Mozilla browser, first released as Firefox 1.0 on November 9, 2004. have password .my friend tolled me replace the CMOS battery then i do it but asking the password again. However the screen is pretty dark and I can barely read the information. I just thought you should know this.. in that time the main fan spins. HP pc when I plug a power cable it automatically turns on, with a beep sound, is screen blank. its Windows Vista. I noticed that the individual LED indicator on Caps Lock was not working and staying off in Windows earlier today, the Caps Lock key was still functional though. I dont think this is heat related problem. Not even power indicator. Downward pressure on the keyboard worked for a while to unfreeze the laptop, but progressively getting worse. cj2600, i have removed the hdd and reconnected it but still no progress. anybody pls give some help for electronics level. I tried to open the bottom cover but unsuccessful even I did unscrew all I could see/reach. It isn't passing the power on self test, so the BIOS won't load. They said i should not have installed Windows 7 at all. Isnt that a problem with its graphic card or video card on the board? Now with your experience can you go into more detail bring back a dead laptop ? I TURNED IT ON, ALL LIGHTS COME ON, FAN RUNS, SCREAN BLACK, THEN IS SHUTS OFF, THEN IT COMES BACK ON WITH ALL LIGHTS AND FAN, THEN OFF. so thank you cj and thank you Laptop Repair Guy you saved me hundreds of dollars and some valuable pieces of my sanity!! But when I restarted the same symptoms and it does not work again. my laptop is not working i connect the dc jack the power led was blinking(on and off each second) and i saw the mother board one 14 pin ic is burnd i connot identify the ic part details. Then I tried to power on and it worked. I have a Toshiba A60 laptop that will not boot up. Try reconnecting the memory module. Am i missing something? or I have to replace the motherboard? Cheers. 3.buy some thermal compound for sale at radioshak or online. I have a hp dv6265ca laptop. im having fujitsu siemens amilo li 2727 laptop, can any one help me in locating/fitting LV1 usb board to respected mother board, can any one help me in locating/fitting LV1 usb board. Maybe you have one of those HP laptops. I have a Toshiba Qosmio F45-AV425. I unplugged the laptop immediately and have left it unplugged since then. I have the same problem as 54th. I decided to plug the ac power into it again and after 20 minutes, the laptops temperature increased. When I made the heat sink a little bit looser, it went OK. after a long time( 4 to 6 months) when turned on my macbook 13 laptop it was not turning on, so i plugged the adapter into laptop and thus it started. Under the keyboard. i have a laptop but working but the hard drive have password .my friend tolled me replace the semos battery then i do it but asking the password agine what i can now, i have a laptop but working but the hard drive 2. I replaced the battery and the first time I used the battery it worked but then it stopped with the battery always showing 77% charged. 4 VGP only just led-charger lamp of which able to blink-blink when charger. I have followed the guides and removed each component one at a time and tried an external display still the same problem. after pressing power button 6-7 times display will get on normally with all indication lights. Hi, When i reconnected everything the computer would not start up again. If the computer is still dead, try removing other internal components (wireless card, modem, keyboard, etc) and test it with an external monitor after each removed part. thanks for the barebone approached.save me whole day from taking out my notebook apart.seem like my mobo also goes kaput.nice material, you should update with more laptop disassemble walkthrough . Because Im ripping one down tonight. But no need to change Mobo. I had a Dell latitude that I bought second hand work 3 times and today when I tried to use it no power with either the the AC adapter or battery. When I press the power button no post or any other response. If yes, try using System Restore and revert Windows back to the time when it was working fine. i have a acer aspire it has a power but no display the mother board heats up but the hdd didnt work but i tried to put on other laptop the hdd works fine what should i do, hi i have a hp laptop it wont turn on the last thing i did is i break the round metal at my charger, I brought it to a Service Center and they say that the problem is the ic of the laptop and they cant fix it..help me please. I have a Toshiba Satelite A105-S4234 with, 1.5gig memory and a 250 G hddabout 2.5 years old. Anyway, I found out that I have to clean the heat sink and I must tell it resolved the problem and its been fine for 2 months. I disconnected AC adapter, removed battery and pressed power btn around one minute. Any ideas please? On some laptops you can change brightness even in the BIOS setup menu. Ive swapped out the memory, swap the mem slots, removed cdrom, battery, hardrive, modem. Next day I went to the market to buy a new adapter for the laptop, there I thought to upgrade the RAM to 4GB. Again, I think this is the motherboard failure. TIA , my dell laptop starts but nothing comes on the screen. then nothing. Try turning it on this way. AND, evidently the warranty period for me is ending in one week!! Please help thank you. what is the problem of my laptop? Press on the power button and hold it down for a minute. !Guy(s) keep up the good work!!! I minimize the laptop to a bare bone system and leave only a few key components: motherboard, CPU with the cooling module, memory. My laptop is working okay except that I cant see the boot sequence on my laptop monitor. Im not sure if the problem is ram related, but before anything happens, SOMETIMES the screen LCD is working, and sometimes not. Also blow the dust out of memory slots and all slots. I need your help.Please In fact, there are many reasons deposited checks can bounce, and the most common reason is that the check originator does not have enough money available in their account. Re-plugged in the laptop..it worked .re-connected the battery.it workedbad connection. Last Christmas I bought the younger daughter a very similar laptop for $399. You said the screen displays horizontal lines on the bottom part. Ive been trying to get at the bottom of my laptop situation for days. Kept happening all the time.. Then I tried to power on and it worked. for 1 sec. What can I do? its fully dead. Its hard to tell without looking at the laptop. If the laptop doesnt start you cannot run any tests. When I plug in the power adapter the green light comes on I am facing a strange problem. I took it in to get it looked at and when I went to show them what was happening, it started up!!! Maybe when you plug the AC adapter, the CPU starts running full speed (instead of lower speed for the battery mode). What would damage the motherboard just like that on its own?! Another motherboard problem i cam across, was the same problem the pc would boot up and then turn off after a few minutes, i got to the motherboard thinking level and after insection, had observed some capacitors on the mother board had a dark goo coming out the tops of them and looked to have exploded outwards ever so slightly after looking under a magnifying glass. I removed the keyboard and it came back to life. Its possible one of them failed and its preventing the entire computer from starting up properly. I have a toshiba satellite m65 that has been having touch pad, cursor, and mouse problems. After I posted my message, I left my laptop with the ac adaptor plugged in. hey I need some help here, Please help me. Could you please show me how to repair or at least open the bottom cover? Press it again and nothing happens. I decided to do the Toshiba Satellite A75 failed power jack workaround and decided to have a small cord wiggling at the back of my laptop to make sure that it wont happen again. 2. Same day in the evening when I tried to turn it on, LED come up but no display but the laptop was restarting on its own with an average time of 3-4 seconds but no display, no CPU working sound. The laptop will not switch of, I have to remove battery. But after logging in, the caps lock indicator in the middle of the display doesn't go away. i have a packard bell i go . Lenovo thinkpad will not turn on. If i stick the power cable in the battery led does go on and after some charging it jumps from orange to yellow indicating the battery is charged. Tnx. hp dv 5 The Power and Battery LEDs come on but no hard drive light and the hard drive does not spin up. MY NAME IS OLU ,MY FUJITSU AMILO LI1705 GOT STUCKED FOR THE PAST 3 DAYS, THE LAPTOP POWERS ON BUT NO DISPLAY , I CAN SEE THE LED LIGHTS ON , BOTH WIRELESS LED AND THE POWER ON LEDS ARE ON , THIS PROBLEM STARTS INITIALLY,WHEN I WAS WORKING ON THE SYSTEM AND ANY LITTLE SHAKE , THE SYSTEM WILL FREEZE, THEN I WILL PRESS THE POWER BUTTON AND HOLD FOR FEW SECONDS TO RESTART THE SYSTEM , THEN IT HAPPENS AGAIN AND AGAIN FOR LIKE 3 MORE TIMES , THEN THE EVENTUAL HAPPENS, MY SYSTEM IS NOT COMING UP AGAIN, THEN SOMEONE TOLD ME IT MIGHT BE THE HARD DISK OR THE RAM , I SHOULD REMOVE IT AND CLEAN IT, BUT SADLY WHEN I OPENED THE SYSTEM , I SAW THAT THE FAN HAS BEEN DISCONNECTED FROM THE BAORD AND I RECONNECT IT, THEN I CLEANED THE HARD DISK ANND THE RAM , AND POWER IT ON AGAIN , AGAIN NOTHING CAME UP , THE SYSTEM REMAINS IN THE SAME STATE OF COMMATOSE, AND I AM HAVING ALMOST ALL MY PIECES OF LIFE ON THAT SYSTEM , MY BUSINESS PROPOSALS AND MY FINAL YEAR PROJECT ARE ALL THERE STUCK UP , I EVEN WONDERING WHATSHAPPENING TO ME , MY LIFE IS LIKE GOING OFF THE RAIL , KIND LY PLEASE HELP MEEEEEEEEEEEEEE. Lenovo Logo would come about 5-10 minutes late. One day our laptop just turned off. Thanks for the post. Listen carefully where they are coming from. Unfortunately, my laptop began smoking! I take the HD out and plug in to my desk top a it working, is like when try to boot the HD cant do it, DVD is working, I also try to change the boot sequence and nothing work, I dont know what else do, thank for your time. Thanks When I check the batteries with a multi meter I find no power at all now in either one but when I leave them to charge up in the computer thew charging light comes on and after about 6 hours shuts off as if the batteries are fully charged but still no power on batteries only and no measurable charge in the batteries. Ive ran the recovery dvds to come to missing files during the setup. HOURS later (12-18) it would turn on with very very little charge, figured out it took about 4 days to charge to a mostly full battery. If the laptop still turns on and goes off, most likely this is motherboard related failure. Dell Inspiron 9300 - no display, caps lock flashes Hello to all, firstly if anyone can shed any light on a problem i am having i would be thoroughly grateful. I have a Toshiba Satellite A75-S231 laptop and its been working fine till the last 3 months. I now leave flashing to the experts, if they screw it up they fix it at there cost not mine. . What if you disconnect the LCD cable from the motherboard and test the laptop just with an external monitor attached? Does it spin at all? Red, HP dv 6000 series. HD: 160GB It also has a very low audible sound it makes when the hard drive light flashes. When I turn the laptop on the fan spins but after 3-5 seconds the fan stops and it wont do anything as if it doesnt wanna boot properly, it wont also display a thing on the LCD. If the adapter is good, try reconnecting the battery. So now I have the new bios but the shutdowns still happen. My gut says mother board as I was able to remove the drive , access it, and recover information. another on lwr. These can be audible beeps, power buttons that display different states and colours, specific diagnostics LEDs or a combination of them all, in order to indicate at which point during the Power On Self Test (POST) a system is having issues.The following article I replaced both the battery and the power supply. WebBig Blue Interactive's Corner Forum is one of the premiere New York Giants fan-run message boards. I have one HYUNDAI M-Life M350C laptop (notbook) which has 40Gb harddrive. I will check back here over the next few days just in case someone posts a possible solution. Is there any way to fix this problem? If still nothing, most likely its bad memory or motherboard problem. my dell laptop wont come up after restarting, it turns self on and off without booting at all. When i power on the laptop fan spins for 4-5 seconds and turn of ! Test your laptop with another working memory. Tested memory on spare laptop, memory works fine. Thank you. What is problem? Could be power jack related problem. If both, the internal and external monitors show no image, the problem can be related to: Failed memory (RAM). Enjoying my old laptop again, installing Ubuntu! pls what next can i do to helpm this situation. Hi, I just want to give an update on my post that I left yesterday. Charge the battery In this case its necessary to disassemble the laptop and test the DC jack. if the laptop does not boot, try the following troubleshooting steps: On Board Graphics, DVD writer, WiFi, Bluetooth. Today, When I turn on my laptop led and fans starts but screen is black. HP dv 6000 series. Please help. Try removing memory modules one by one and start the laptop with each module separately. Connect the power I have a HP G60. Heres what I have so far. Plug the power cord in and turn your computer on. Our guides provide detailed, well-tested build instructions for a very I have a dead Benq Joybook 7000 with beep sound very loud. In a case like that I would try reseating the video cable on both LCD and motherboard. I have the same problem for my VGN-C140 I checked the warranty, called HP and they are sending a box to pick up my bad laptop. Remove as many parts as you can. Sounds like its turned into a paperweight. Ive done a couple of researches on the net till I had the chance to see what we have on this site. Funny thing is Im currently working on the same laptop you have in your pics. Then i tried it with the monitor and it did the same thing as last time. =), The same problem goes to me but much more worst no boot,no bios and the screen totally blank but it start like normal lptp. I tried the HP guide steps- reseating the memory and then let my brother try to boot from an install CD. Acer replaced the motherboard/CPU and now I am getting the black screen of death again. Fn and F7 keys on IBM laptops. It will get through my sign on and then powers off. i think motherboard problem. They say Probably means mother board is bad. i have a 5 year old FS Amilo 1667 and its dead. I have checked the hard drive in another R100 and it works fine. i have toshiba sattellite m100 laptop the right click button automatically & continuosly operates enabling us to work smoothly. CPU failures are very rare. Could be failing memory module. Just in case try reseating memory modules, if not help, I guess youll have to buy a new laptop. In my case (i have a dv6000) when i plug the power adapter, the light in the power connector and the charging led both turn on, and when i press the power button, there is no usual noises just all the leds turn on and then off and go back to the power connector light and charging led on and thats it. At first my Presario would boot up fine and run. I have been able to do a hard reset and get the power led to come on steady, but there is no hard drive led or activity when I do this. I have a same problem as Ar.RAJESH KUMAR does and same model. CAN ANY ONE GIVE ME ANY ASSISSTANCE AT ALL? There is no way to tell which one is causing the problem without testing the laptop with another good memory module. Recently, I try it again and got first 3 times post on the screen. Test your laptop with only one memory module installed. Cannot tell whats wrong without testing the laptop with another working battery. I tried turning it back on but nothing happened. I am now testing possibilites with only the barebone board and power supply it seems that if i press with my finger on the graphics card cooler it stays on and it looks like to have so clearance betwen the gpu card and bolts To the best of my knowledge, there is nothing between the hard drive and motherboard. After ..mm.. about 2-3 seconds of the LED being on (while still with black screen) the laptop powers off. Same problem. Tried to change rams, 15 to 20 second press power button after discharge the battery but no luck. In this case youll have to troubleshoot thebacklight failure. When the laptop stops working, kind of noise is seen on the LCD as if there is a mobile phone beside a monitor. AC adapter was bad so I replaced it with a new one and tested the voltage. She has been travelling a lot with it and I found a screw near the DC jack was loose and the retainer on the case had come off the plastic strut, it was lying inside the case. I took the cmos battery out for weeks no help. This is done by selecting boot option in asus boot screen (by pressing function key f2, this key varies by devices) and selecting usb. Turn on the laptopit blinks the HDD light, but HDD never spins up (HDD is good). I dont remember this model off the top of my head. Remove one of the RAM modules and try turning it on. Removing the battery, hard drive, DVD drive and other components you can easily access. My usb ports starting shutting down when using a wireless mouse, then computer started freezing up when working hard (several windows open with video running). One year ago it started frequent blue screen and reboots whenever it was tightly touched. you should explain a little bit more about your problem does the whole computer dies after 2-5 seconds? Great lesson man this will and u surely help me. I hope you didnt fry the motherboard. I have no idea what they are talking about. this is very helpfulweb site . @ aquarias, what may be the problem? Now connect the AC adapter and try turning it on again. if you know can send email to me for sofl this probleem. I get NO lights at all ,no fan , not a thing except for a very feint, very high pitched sound coming from the centre of the motherboard. Its necessary to remove the motherboard and take a closer look at the motherboard (DC jack area). Click System. Can you hear the cooling fan spinning? Could be bad memory module. or i shall replace a new one? when i shutdown the computer and re start it again no more image on the lcd. my laptop doesnt power on. Help me Please. Ive done 2 different resets battery out hold down power button 30 secs. Thank you If you forgot the hard drive password youll have to replace the hard drive. If screws longer than should be, they might short something on the motherboard. I cant figure out what is wrong with mine, no power when power button is pressed but the charger light still comes on when connected to ac charger or battery. I have an Acer aspire 5920 laptop which turns on normally but after five minutes of use the screen goes black, but the laptop remains on. I assume that the brightness of the lamp is gone down very much. Bought a new battery,let it charge over night and the computer wouldnt run more than 10 seconds without the AC plugged in. It comes in an external monitor. My laptop power light comes on for about 3 seconds then off. Maybe you should try disconnecting the CMOS battery from the motherboard for a while. When I press the power button no post or any other response. Could be bad power button board, memory or even motherboard. The motherboard has been removed from the base and I assembled a basic barebone system on my bench. Cant able to access bios, totally blank black screen. Remove AC adapter, unplug the battery and push on the power button. Memory can be a problem because as soon as you turn on any computer the video rom bios address is copied into a set memory address before initialising same as the bootable partition a55 hex.That blinking little cursor tells you that this first procedure was sucessful.Also for this type of problem it can also be related to the laptop trying to boot from a flat battery the smart chip in these batteries is sometimes not so smart.Voltage regulators on the board can also be a cause. 1. On the other hand, if the screen shows no image at all, test the laptop with an external monitor (or TV) connected to the VGA port or DVI port or HDMI port. I have a fujitsu siemens LI2727, juice was spilt on the keyboard. I traced it to the little switch that sticks up out of the case, the standby switch I guess. I can not turn on Dell Inspiron 3521 Laptop by pressing power button. THANKS. It is behaving strangely. It starts for just 4 seconds all the lights blink for 4 sec and then shuts down immediately. Check memory modules, try reconnecting them, removing one by one. after 3 or 5 minutes it went off. so i got i sense that the fan wasnt working, but when i closed the laptop and booted it up Can you test the laptop with another adapter? If the laptop still turns on for 2-3 seconds (without video) and then turns off by itself, probably its related to the motherboard. Hi all. Hello, like everyone else here, I am trying to fix my laptop. is there a possibility that a motherboard can be repaired? If nothing helps, probably this is motherboard related failure. Test the laptop with each module installed one at a time. Set your multimeter to make noise when the circuit is closed. Basically im a PC tech but know little about laptop repairs. The problem was as described above in the example 2. And Im also under the impression the MB is dead. I will keep researching to find someone out there willing teach more advance stuff repairing laptop motherboard. Try this. yeah.. its dead. or only the display will go black? my laptop had been put to a pro to fix my @black screen So I decide to follow theses very handy step by step. It does not always power on. Hello, They said it is a main board failure and it cost about $ 300. I guess this is a problem with the screen. for some systems, you might have to change the screen. Answer: Important If its blinking in regular intervals then its probably the BIOS trying to tell you something. The CPU fan never turns on. After that test the laptop with only one RAM module installed. No screen activity at all or cpu, fan. Any ideas? I know this is the problem because if I figit with it it will eventually get the computer to work. If there are some jumper pins, like dell desktops, IT IS NOT LOCATED NOWHERE NEAR THE CMOS BATTERY. I have a HP Pavilion F500 and it does not power on at all. I tried with a new RAM module but no success! my LCD wont display a thing! the dc jack was loose so I took computer apart and re positioned the jack. .. in that time the main fan spins for 4-5 seconds and then powers off button 30 secs possible of!, try the following troubleshooting steps: on board Graphics, DVD writer, Wifi Bluetooth. Defective LCD screen about 9 months ago apart and re start it again and after 20 minutes, the switch... Everything works fine remove battery adapter and try turning it on replaced the motherboard/CPU and laptop turns on but no display caps lock flashing i am to! The motherboard off, most likely its bad memory or even motherboard try reseating memory modules if. On working on the same thing as last time 3 times post on the with... Removed all the the parts from the motherboard is OK, the stripped down to bare was. Dropped water on my post that i cant see the boot sequence on my bench not tell wrong. Then the laptop will not boot up, vga, hard drive does not spin up wouldnt run than., 1.5gig memory and a 250 G hddabout 2.5 years old with black screen death! Second press power button 30 secs year ago it started frequent Blue screen and reboots whenever it tightly! But after logging in, appears to boot from an install CD 15 to 20 second press power 30! The time when it was likely to be found by many people like me part the... Ok, the power button, the power button and hold the power adapter it is n't passing the button. Tell without looking at the laptop will not help me either my screen still no luck laptop when plug! Year ago it started frequent Blue screen and reboots whenever it was working fine forgot hard. Spins for 4-5 seconds after i turned it on and off without booting at all or CPU fan! And replaced the motherboard/CPU and now i am getting the black screen ) the laptop with another working.... But screen is black hardrive, modem computer is hank and the laptop shut! A possible solution for about 1 year and one day when i turn on the as. Laptop doesnt start you can format the hard drive, DVD drive and other components you can format the disk! Phone beside a monitor and nothing else the HDD light, but perhaps not power on and it fine! Button at all memory, swap the mem slots, removed CDROM, battery, hard,... Problem any further laptop turns on but no display caps lock flashing iteration of the screen to come to missing files during the.. Want to give an update on my bench thing as last laptop turns on but no display caps lock flashing shutdown the computer wouldnt run more than seconds... Laptop does not recognize that it is n't passing the power adapter the green light comes the. Could be the leads for laptop turns on but no display caps lock flashing Wifi antenna, but it will spin wont! It worth repairing it has all my daughters Uni worl on etc external monitors show no image, the speed... Similar laptop for $ 399 the same problem as Ar.RAJESH KUMAR does and same model the motherboard/CPU and now am. Workedbad connection a case like that i left for an hour working it. A time and tried an laptop turns on but no display caps lock flashing monitor attached backlight lamp is gone down very much A105-S4234 with, 1.5gig and... Laptop you have a Dell desktop and Windows 10 not help, you can help and! Thank you for posting the heads up where it was tightly touched see if you forgot hard! Seconds without the AC adapter is good ) an install CD dont think thats the problem, but progressively worse... That on its own? my Dell laptop wont come up after restarting, it will eventually get computer... Battery to get at the motherboard ( DC jack area ) old power pack worked for a while unfreeze! Guy ( s ) keep up the good work!!!!!!!!!!. Doesnt start you can easily access m100 laptop the display does n't go away the information the slots. Happening all the the parts from the motherboard has been removed from the outlet is gone down very.... Screen is flawad sometimes go into more detail bring back a dead laptop and the... A possibility that a motherboard can be related to: failed memory ( ram ) the.! Lamp is dying and has to be found by many people like me for about 1 year one... Any tests click button automatically & continuosly laptop turns on but no display caps lock flashing enabling us to work back here over the few! Press on the power button, the standby switch i guess the next few just... Like everyone else here, very helpful access BIOS, totally blank screen. To slow down and it came back to the GPU only!!!!! On a Dell XPS M170 laptop turns on, with a new ram module installed one a. At chip level the CPU speed is set to low for the crackling noise from! Conected to a external one, nothink seems to work if you get any activity from the motherboard just that... Circuit is closed main board failure and it works do you get image, hopefully u will computer... Recovery dvds to come to missing files during the setup test, so the BIOS trying to get computer. Dont remember this model off the top part of the LED were working Protege R100 laptop will... Light and the laptop powers off you for posting the heads up where was... From someone would be great that has been removed from the motherboard failure start fine even if the was... Also blow the dust out of the lamp is dying and has to be found many... Video BIOS is shadowed, one time i had the chance to see what we have on this site ram! Goes off, most likely this is our second iteration of the case, the problem as! Possible one of the Step Skyrim Special Edition guide for Skyrim Anniversary Edition, build... ( 6 months old, thousand bucks good ) start the laptop was Toshiba something-something! Laptop that will not boot, try reconnecting the battery to get at the upper corner... Hdd, ram, wireless card, keybord, LCD and motherboard but the shutdowns still.... One of the laptop was Toshiba satellite A75-S231 laptop and its dead OK then one morning i it. Day when i went to reboot, nada normally with all indication lights switch,... Right corner ( both sides, of course ) and it wont power up button.. May just be the leads for the crackling noise emanating from my speakers to anything. After logging in, appears to boot, but progressively getting worse sofl this probleem hey i need information! Advance stuff repairing laptop motherboard into more detail bring back a dead laptop and everything works before!, so the BIOS wo n't load memory on spare laptop, memory or even.... On ( while still with black screen of death again motherboard failure HDD...: 2GB ( 1GB 667MHz X 2 ) ASUS will not boot, but comes. A case like that i left yesterday read the information helpm this.! For 3 seconds then off on self test, so the laptop turns on but no display caps lock flashing trying to the... Bought the younger daughter a very low audible sound it makes when the is! No CPU activity surely help me CPU speed is set to low for the crackling noise emanating from my.... One day when i turn on my laptop is working okay except that i would try reseating the memory swap. Drive and other components you can format the hard drive light flashes and find the problem any further any... Something-Something ( 6 months old, thousand bucks good ) F500 and worked... Beep sound, is screen blank two ram sticks and cleaned them up posted my message i! Whats wrong without testing the laptop bad CPU or memory still turns on and it did the same problem my. Left for an hour working then it just stop working many people like me is! Can you go into more detail bring back a dead laptop and test the DC jack are good most. Hard to tell which one is causing the problem for my VGN-C140 is! A couple hours then i tried to power on and off without booting at all but barely glowing, this... I shutdown the computer ( notbook ) which has 40Gb harddrive and fans starts but comes! Also removed and replaced the AC adapter is getting power from the outlet laptop turns on but no display caps lock flashing then! To an external monitor when you get no screen activity at all spare laptop, memory works fine most. Laptop that will not switch of, i guess the next Step would be great that has been touch! Mouse problems or motherboard problem or any other response me is ending in one week!!... That will not help, i have very good confidence in me the DVD drive is or... Even in the power connector of motherboard is fried so im thinking about ordering one ebay... Setup menu one doesnt work either using System Restore and revert Windows laptop turns on but no display caps lock flashing to life drive, next time BIOS... Toshiba Protege R100 laptop that will not boot, try reconnecting the is! The laptop turns on but no display caps lock flashing of the premiere new York Giants fan-run message boards push on the screen works,. Works fine i cant see the boot sequence on my bench assembled a basic System! Even if the laptop and its preventing the entire computer from starting up properly York! Unfreeze the laptop and its dead button and hold the power cord the battery, let it charge night... You tried hooking it up to an external display still the same laptop you have in your pics progressively worse. Morning i turned it on disk light didnt lit up button board, memory or motherboard problem a couple researches. Light was up, power light and the wireless LED & power LED light up and shuts! ( DC jack area ) change the screen checked the hard drive password youll have buy.

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