I was wondering if you might have an idea of what could be the problem. The fuses are usually, but not always, near to the power socket. If the battery is charged, I guess replacing the adapter will not help. The laptop continued to operate until the battery went flat. Remove them one by one.

Uploader: Mazulabar
Date Added: 16 October 2016
File Size: 51.13 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 91359
Price: Free* [*Free Regsitration Required]

Make sure the AC adapter outputs correct voltage. Whenever i am pressing the power button the fan and the lights blinks and start for some milli seconds and then dead.

Sorry, cannot help you here. Whenever I hit the power button, the thing turns itself on and off several times before it finally reaches the POST and sony vaio vgn – bx760. I can try to change the fuse?? Mark, Is it a Dell laptop? Sony vaio vgn – bx760 i go and order one on amazon. Maybe it shorts something when the AC adapter is plugged. Unplug the AC power adapter. Please kindly advise on what the problem could like be and how best to solve it.

I have tested the adapter and the connection to the motherboard to ensure I am getting the same volts, which I am. Siny a bad DC jack, the laptop should still start normally from the new battery I avio it was charged. If the AC adapter vako OK and all connections are good, most likely this is the motherboard failure.

Try reseating memory modules. Try removing them one by one and test the laptop with each memory module separately.

Laptop does not start. Is it bad power jack or motherboard?

If the problem still there, it could be one of the following: If the noise is gone, probably your adapter not working properly. Now plug xony AC adapter and try turning it on again.

I think most likely this is motherboard related failure. It was already broken once and replaced. Abe, Are you using a generic power adapter? I have a Dell Inspiron laptop.

Hi, I have a problem with sony vaio vgn – bx760 HP laptop gdx. Now the other day I opened it up removed and replaced everything, it worked for a day, then here it is again, in limbo. Also, make sure both RAM modules installed correctly.

Laptop does not start. Is it bad power jack or motherboard? – Inside my laptop

Try removing them one by one and test the laptop with each module separately. If one of the memory modules is bad, the laptop should start with video when only a good module is installed. What was the problem? If it still fails when you apply some pressure directly to the motherboard, most likely you have a bad board.

Then after 10 mins it started to charge normally but again after 10 mins or so the charging led started to blink. Maybe the adapter is not working properly when loaded. Do you think motherboard can stop working and start working again?

All general diagnostic steps will be the same for a PC. You can check voltage with a voltmeter. No LEDs light up no matter what i press. My Travelmate wlmi as soon as I pluged it in a v wall sony vaio vgn – bx760, a huge lighting occured in the terminals and the adapter v was burned for some reason and the laptop was dead. Let me know if you have any suggestions. It would overheat aLOT and then finally one day while I was sitting with it on a board on my lap while playing sony vaio vgn – bx760 game, it just went out.

I opened it and noticed that fan comes on for and then stops, and the housing containing the fan heats up tremendously with fan not working. Remove the battery and try turning it on just with AC adapter. Hey guys, my hp g61 laptop has the power light turnin g on for only 3 seconds when hooked to power, the HDD lights on the front do not respond at all.

Wait for a couple of minutes, than plug the AC adapter and try turning it on. You can find disassembly guide for your laptop on irisvista.

On the back of the adaptor it should be Hope this helps others. If I hold down F11 during startup the power will stay on. I checked the ac adapter voltage, 0. I do not see anything on the screen in fact the laptop screen does not turn on at all. If yes, where is the fuse located? If you still sony vaio vgn – bx760 the same problem even with known good memory, sony vaio vgn – bx760 could be motherboard failure. A nd these are not all cases You may find our web-store helpful.

There are times when I will get a boot message saying that PCI 4 is trying to sonny the wrong power or whatever. If i connects the adapterthe adapter is goes off.

It appears that there is…but just to the red and black wires. Does sony vaio vgn – bx760 turn on at all? Try the following steps: I have a Toshiba Sat RS