Hi I was reading the original thread here:
I am having a similar problem. The weather has been unusually warm here and my PC has been shutting down for no reason. I recently cleaned the entire case out, replaced the PSU (250w to 485w) and applied new thermal paste between the CPU and heatsink. After these steps, the PC still shuts down.
Speedfan at the moment is:
I am about to run SiSoftware Sandra for analysis.
However, There is something I have been thinking about - I am running everything through an APC battery backup unit. This unit is quite old, maybe 7-8 years. I am wondering if this is starting to fail.
Also, my laser printer, when turned on will sometimes cause everything to shut off. I know they draw a lot of power to start up.
Speedfan (15 minutes from the first reading) is:
Any thoughts would be appreciated. Thanks.