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I've got an interesting issue going on and I think it's related to power - whether it be PSU, my UPS, or the voltage coming into my house from the power company, I'm not sure. I live in northern MN and it's been extra cold this year. I run a UPS with my rig because in the past we had short but frequent power outages (esp in the Winter). The frequency of those seemed to have decreased in recent years but I kept the UPS anyway. Starting about 2 months ago my main PC would randomly reboot. The frequency was about 1 per month. But now I'm getting reboots more often (during testing today I had 3). The software for my UPS says the line voltage coming into my house varies from 106 (lowest I've ever seen) to about 118v. My question is how bad is this? Is 106v enough to reboot my PC with its present OC? I haven't done any official testing but from what I have done the system appears to reboot around 108-112v. Sometimes my UPS does a BOOST and puts the voltage up to 122-124. This normally happens under heavier load like when I'm playing BF4 or running IBT. So known things: 1) My usual OC that I had in place for two years suddenly quit working (getting BSOD's 124 and 101 codes) 2) This Winter has been quite harsh temps averaged 5F (M15C) - line into house 106-118v (observed with power monitor) 3) I'm having two types of reboots 1 - PC reboots and loads back into Win7 , 2- PC reboots/crashes to a BSOD resulting in 124 or 101 code. With or without the OC type 1 reboot is happening. Type 2 is related to my now failing OC. Is there any power guru's out there (electricians too!) that can help me figure this out? How can I methodically run through this stuff? Is the lower voltage into my line affecting the stability of my system? (edit: in case you guys are wondering why a low temperature outside would affect my computer.... I'm theorizing that all the people in my city are using their heat and appliances at times of the day where I'm more likely to reboot - evening)
