PC crashing after trying to load BIOS or winXP CD [ HELP ]

April 21, 2012 at 05:41:04
Specs: Windows XP, 3 GHz / 4094 MB
Hi guys, so I have a problem. I got this PC from a guy that needed to have windows reinstalled because it won't start it (probably tons of viruses, it stops @ "Loading your personal settings"). Anyways it couldn't start windows and I needed to do some backup on his files, so I took out the hard drive and put it in my pc, I backed up all the data (the disk was already split in 2 partitions) and I formatted it directly so I only needed to reinstall windows. I put the disk back into PC and I turned it on, I started the windows (XP) installation, XP files copied and when it should start installing components the PC just went down, no errors or sounds. I tried again and every time it tried to start the winXP cd the PC just crashes. I opened up the PC, I took the CPU fan off to clean it (it had tons of dust in it) and I put it all back up, I checked everything and it's all connected as it should be. I start the PC again and when it shows the screen "Press any key to boot from CD" when I press anything it just crashes again, if I don't press anything it crashes again. I checked all the components again and its all the way it should be. I start the PC again and I try to enter BIOS (press DEL), the PC checks all the components (hard drives/floppy disk/keyboards/memory count etc.) and when it should enter BIOS it just crashes again. I need this fixed ASAP, I know a lot of things about PC's and I've been doing PC repairs for 4 years now, I've solved every problem that I had but this is something that I've never seen and I am not able to solve it, so please help me. Thank you in advance.

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April 21, 2012 at 06:58:02
"I know a lot of things about PC's and I've been doing PC repairs for 4 years now"
"I took the CPU fan off to clean it"

I assume you claned the top of the CPU & bottom of the heatsink, then applied fresh thermal paste in accordance to the method required by your CPU make/model? AMD CPUs use the middle dot method, Intel CPUs use either the vertical line or horizontal line method depending on the model. If you re-used the old paste, used no paste, or applied the paste incorrectly, it's likely that's the problem.


This is correct: http://lib.store.yahoo.net/lib/svco...

This is correct: http://www.circuitremix.com/images/...

This is wrong: http://www.capn13.net/it/cpu_mounti...

Detailed application instructions can be found here:


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April 22, 2012 at 14:10:34
Check the capacitors on the motherboard, try a different power supply. If the case was full of dust, the chipset may have overheated and developed fractures in the solder on the BGA.

Is it a nVidia chipset? If it is, it most likely failed. This test is not that great but sometimes it works. Lay the computer on its side and put about 10 pounds of pressure on the chipset heatsink and see if it is still crashing.

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