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seen Mar 28 at 0:31

Apr
20
comment PC Rebooting Without Cause
@Breakthrough, I'll give it a spin and see what happens. Thanks for the suggestion.
Apr
19
comment PC Rebooting Without Cause
I've monitored the temperatures pretty closely and they're well within reason. It actually seems to happen more frequently when everything is cold, and begins rebooting less frequently after it gets going.
Apr
19
comment PC Rebooting Without Cause
@Moab I have tried another PSU, it didn't stop the reboots. I think we're down to mobo and CPU at this point.
Apr
19
comment PC Rebooting Without Cause
@Dennis I've not noticed any abnormal temperatures from the CPU. I don't think it's a heat problem as it can happen immediately after the PC has been shut off for a while. In fact it seems more common when cold.
Apr
19
comment PC Rebooting Without Cause
I do not, though I've shopped around for a UPS before. I've had this happen at three different homes though so I don't think it's a voltage spike problem. Sometimes it happens after an hour of use, sometimes after five seconds of another reboot. Sometimes not for months...
Apr
19
comment PC Rebooting Without Cause
@Breakthrough, I've run Memtest86+ for one pass before, but I can try running it for longer. I'll also try running Prime95, though intensive tasks don't seem to have any correlation to the rebooting. It honestly seems entirely random. Maybe a motherboard short.
Apr
19
comment PC Rebooting Without Cause
@Journeyman Geek, the system is 3-4 years old now. It was a prebuild originally from HP (m9080n) but I've updated the ram, HDDs, and GPU since then. Motherboard and CPU are original.
Apr
19
comment PC Rebooting Without Cause
I've already replaced the CMOS battery twice in the last year, that can't be it. I've also tried using two different PSUs, so I don't think that's the problem. As for voltage spikes, this has happened at three different homes if that indicates anything. I think it must be the motherboard. I appreciate your help.
Apr
19
awarded  Student
Apr
19
asked PC Rebooting Without Cause