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I've come across a good mystery here and I am hoping the community has some ideas.
I built the following system:
Intel G530
ASUS P8H61-I
2x2GB Kingston RAM
120GB SSD
120W DC/84W AC power supply
Sometimes it takes a few hours of Prime95 large FFTs but usually it takes about 5 minutes to end up with this (sorry for the blurry photos -- it's a black screen with squiggly lines on the left side):
or this:
and everything is locked up completely.
So far I've swapped out the SSD, memory and PSU with no change in behavior. I've also built the PC outside of any case -- no change. That leaves only the motherboard and the CPU as suspects. I don't believe at all this is some kind of driver issue. The driver version doesn't matter (I've been through various reinstalls). Temps all look good (46C in Prime95) though I suspect there is some temp-related issue because today when it's 78F in here I can reproduce it very quickly whereas the other day when it was 68F in here it took 5 hours. It's hard to say though.
Anyone ever seen something like this? Any thoughts as to which it is -- the CPU or motherboard?
I built the following system:
Intel G530
ASUS P8H61-I
2x2GB Kingston RAM
120GB SSD
120W DC/84W AC power supply
Sometimes it takes a few hours of Prime95 large FFTs but usually it takes about 5 minutes to end up with this (sorry for the blurry photos -- it's a black screen with squiggly lines on the left side):

or this:

and everything is locked up completely.
So far I've swapped out the SSD, memory and PSU with no change in behavior. I've also built the PC outside of any case -- no change. That leaves only the motherboard and the CPU as suspects. I don't believe at all this is some kind of driver issue. The driver version doesn't matter (I've been through various reinstalls). Temps all look good (46C in Prime95) though I suspect there is some temp-related issue because today when it's 78F in here I can reproduce it very quickly whereas the other day when it was 68F in here it took 5 hours. It's hard to say though.
Anyone ever seen something like this? Any thoughts as to which it is -- the CPU or motherboard?