I hope someone can render some assistance, and I apologize in advance for the tl;dr
Over the last month or so, my computer's started acting up. At first, the mouse was being glitchy: pausing in the middle of being moved, not always properly switching "icons" (like I'd pass a link, it would turn into the finger, then I would click into a text field but it stayed looking like a finger), and sometimes would just up and disappear. And THEN sometimes the mouse would stop responding all together, and the computer would randomly reboot itself.
I ran anti-virus and maleware programs. Nothing. I ran diagnostic tools like Disk Check, MemTest and "Hot CPU Tester Pro". Nothing. I'd wait for a reboot, check bios and look for any temperature or voltage anomalies. Nothing (voltage -is- a little low, but well within normal tolerances). So I opened my PC up, took the memory out, blew all the dust out, re-insterted the memory. The mouse issue went away, but wait, there's more...
The only anomaly was that my Windows Performance score for Graphics went from a 7.6 to a 3. So I uninstalled my Nvidia drivers, cleaned them out and reinstalled, restoring my old score.
NOW, my only issue is that the computer will occasionally pause up and restart. It will only do this once per session (so once it crashes, I can run it for another 3-8 hours without any problems), usually while I'm browsing the 'tubes. It doesn't do this while I'm in Photoshop or a game (thank goodness) or anything actually demanding. When the computer pauses, the HD light does NOT turn on, and even the Task manager doesn't seem to show any spike in activity (from what I've been able to see before the machine reboots).
I've tried turning off the option in Windows to automatically reboot in case of an OS issue, but the computer will just reboot anyway.
Now, I realize the best way to handle a situation like this is to just swap parts out to find the culprit, but I don't have any compatible components around to swap, which means I'd have to buy an entirely new computer's worth of hardware just to replace one piece! And, I cannot afford that. So I'm wondering if anyone's had an issue like this before so that I only have to buy ONE new part instead of, like, 6.
Oh, I better list my current specs:
Proc: AMD Athlon II X4 630 @ 2.8 GHz
Mem: 8 gigs of G.Skill Ripjaw DDR3 SDRam
Mobo: GIGABYTE GA-770TA-UD3 AM3 AMD 770 SATA 6Gb/s USB 3.0 ATX AMD Motherboard
Vid: EVGA 768-P3-1362-TR GeForce GTX 460 (Fermi)
PSU: Antec NeoPower 650 Blue 650W ATX12V / EPS12V
HD: Crucial M4 64GB SSD (for Win7 only)+ a 500G WD
And a crapload of fans, nothing OC'd though.
I should note that when I was researching my specs by looking over my old NewEgg purchases (yeah, I don't know my specs off the top of my head anymore, I feel disgraced!), I found out the PSU is from 2008. Now, I don't know how long PSUs are -supposed- to last, but if a life-cycle for these things is ~5 years (I think I heard that once), I may have to upgrade that anyway. But in the meantime, is there anything else I can try to nail down this issue before I go spending money on new parts?
-Steele ^_^ \/,,