Computer shuts down (turns off) unexpectedly
My new Windows 2000 box (Athlon 64 3200, DFI Nforce socket 754)
always powers off unexpectedly - last time(most recently) was when I changed video resolution -
AIDA32 reports voltage may be at fault :
+12V = 11.07V
-12V = -5.4V ??????
-5v = -3.92v ???????
PS is new, Cooler Master 500W, bought from NewEgg
Any Thoughts ???
What else do you have in the rig, such as vid cards? Could be you are underpowered. I really don't trust those one size to fit all reporting programs too much. AIDA reports my main system as being a Unknown CPU in one place, and correctly as a Core 2 in another. It also reports that it is running at 3780 mhz (16x236), where I am actually running at 3420, (380x9). And it does not give my voltages at all. What does the BIOS show?
Also, have you checked your temps? Could be temp related.
Is that CoolerMaster the "Extreme" or the "Green" model?
I'm just wondering because the "Green" model doesn't even have a -5v rail.
A $15 multimeter or a $15 PSU tester will give you a better idea about the voltages.
Like mobo57 says, it could be heat related or it could also be a faulty dimm. Try running memtest on it.
That said, the PSU is the usual suspect.
Does the BIOS beep at all when it shuts down?
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