My desktop is about three years old now. in the last few weeks its stability fell through the floor. On average, once a day it'll either freeze up or randomly restart. Sometimes on boot, Windows will not load fully, and I'll have to restart again. Tonight it randomly restarted twice so far, so I figure I should get to the bottom of whatever it is.
Besides the seemingly random restarts and freezes there is one other symptom. A couple weeks ago the computer would not POST and gave a beeping noise that I gathered, via calling a friend and having him look up the mobo manual, meant that there was an error with the graphics card. A few restarts did no good, and the card seemed to be securely in. I didn't have a screwdriver handy to reseat the card, so I laid my tower case on its side. That miraculously solved the problem, and the case has been on its side ever since.
There are a few things I figure it could be: PSU, RAM, or the graphics card. Even though the only specific error was the graphics card I somehow doubt the graphics card could cause random restarts. I don't have any spare hardware to swap, so I'm in a bit of a tough spot as far as troubleshooting this thing goes. Best I can do is Memtest86 overnight and see how that fares.
Is there any troubleshooting method I'm overlooking?
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