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Diagnosing complete computer failure

D

davision

Weaksauce
Joined
Mar 7, 2003
Messages
83
I'm not that experienced in heavy duty troubleshooting.

My computer literally died -- it was freaking out with lights flashing etc. and upon reboot I would get no video signal whatsoever.

If I have a failed CPU would even a simple BIOS screen fail to show up? I thought that since the BIOS is on the mobo that I would at least get something on the monitor if the problem was with the CPU.

I've already tried swapping video cards with no luck. So now I'm guessing it's either the mobo itself or the cpu. Based on my description, does my problem sound like it is more likely the cpu or motherboard or is there some other possibility. By the way, the fans come on -- so there is power going to the components.

Please give me some advice.

Thanks.
 
without a CPU a motherboard is useless. if the CPU is dead you can't get a display telling you so, as the CPU would normally process that information to the video card stc.(it's more complicated than that, but i'm keeping it simple)

does anyone you know have a spar CPU you can borrow to see if it's bad? or you could put your CPU into someone elses mobo and see if it works.
 
Do the fans spin up? Check the one in the power supply. Sounds like a mobo/cpu/ram problem but no fans = no power = might be PSU. I'd yank the HSF and inspect the cpu for damage. How long have you had the system?
 
thanks for the input.... to answer the question, yes the fans are fine and I've had it running fine for about 8 months.
 
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