PC shuts down spontaneously

Indy500

Indy500

Indy500

Soldato
Joined
7 Mar 2005
Posts
17,481
Someone has brought me their PC complaining of random shutdowns during use. I suspect the PSU as the rails look a bit dodgy according to Speedfan - I don't have any electrical testing equipment to get better readings though.

Spec:

Athlon XP 2700 with Akasa copper HSF\80mm fan
Asus A7N8X
1x256MB Corsair XMS PC2700
1x512MB Crucial PC2700
128MB Radeon 9800 Pro
Western Digital 80GB IDE
Liteon DVD-ROM\CD-RW combo
Floppy drive
400W Colors-IT PSU

I guess I could loop 3DMark and Prime\Orthos to test stability, any other suggestions? :)
 
might be ram failing, are auto-reboot on bsod disabled?

just orthos/3d mark, watch everything tor temps, run memtest and try a doner psu.

hopefully one of the above will answer whats wrong.
 
It would take an enermous amount of overheating to cause a restart/BSOD tbh.. These things can run hotter than you think.


If you suspect the PSU raill, then chack they have stable voltages within an allowable tolerance. So, you will have to allow for some deviation of around 5% either side of the expect rails. So for 5volts you need to allow between +4.8volts and +5.3volts and for 12volts between 11.4volts and +12.6volts.

Anything outside this range is certain to be a problem with the power supply.
 
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