So i've been having computer problems on and off for the past couple months. What happens is the display goes out and the computer freezes, whatever last microsecond of audio that was playing repeating over and over until I hard power off the computer. This has happened during games, while just browsing the forums, even sometimes immediately after Windows loads up. On top of this, sometimes when I power off the computer after this happens then power it on again, it won't POST. It just sits there, powered on, fans running, but with no beeps and no display. Shutting it down once more then powering it on again usually results in it finally booting.
I've run a memtest and it found no errors, but I have no idea if that means anything and I don't know what other diagnostics to try. I can't exactly afford to replace parts on a hunch or to see what works and what doesn't, i'd like to know what the problem is before picking up a replacement. Anyone have any ideas?
Most of my parts are a little over two years old, though I think the power supply is a bit older than that.
Intel Core i5-3570k Quad-Core 3.4GHz CPU
GIGABYTE GA-Z77-DS3H LGA 1155 Intel Motherboard
ASUS GTX650 Ti 1GB 128-Bit GDDR5 Video Card
4 x 4GB DDR3 SDRAM
Rosewill 550W ATX12V v2.01 Power Supply
1 x 2Tb HDD
2 x 1Tb HDD
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I wish I could tell you what the solution was. Since then I've moved to Windows 10 and (and then more recently upgraded my CPU/motherboard). But I haven't seen that issue since moving to Win10/.
if the issue is indeed the video card, its possible its overheating and/or some of the GPU ram has bad sectors. So the problem can be intermittent and hard to replicate/trace. In my case, it was really easy to provoke an incident running 3DMark or Crysis (back when it was the video card crucible), basically some program that would put a large load on the card. Not to say that not all of the crashes occurred under load, but it was very easy to provoke them by being under load.
Have you tried running off the integrated graphics for a while - take your video card out and use the ports on the motherboard. Try using that and pushing the computer to see if you can replicate the problem.
It's never happened because of "pushing the computer". It happens any time for whatever reason, even as Windows is loading after turning it on from being powered off entirely overnight. I'll give that a try though.
E: Video card is out, running off the motherboard now. Other than Firefox being super godddamn slow like oh my god what is this nonsense, it's ok. I'm not sure how to replicate the freezing though. Like I said, it seemed to go away for 20 days after I installed the new power supply before starting up again. I really don't want to use my computer without a video card for that long just to make sure.
Because of course nothing can ever work properly first try.
Regardless of all that, the new card is in and running. We'll see if the problem happens again or if that solved things.