A few days ago my computer completely hung. the mouse wouldn't move, keystrokes didn't register, audio in and out stopped, all programs stopped dead. Nothing. So, after a hard reboot I sat back and let winxp load to wait and see. With nothing other than the bare minimum running it still crashed after a few minutes.
Booting into safe mode was fine, so after updating/running my virus scanner/spyware tools in safe mode (no problems found), I gave it one more test in standard winxp.
This time, after the inevitable crash and hard reboot, the power stuttered off and on 2 or 3 times before I got to the off switch properly.
And this time, upon bootup, there's nothing. No bios screen, no beeps. Just the fan powering up and staying that way (normally the fan slows down/stops after the initial surge)...
So, I've checked all the connections, they're fine. Checked to see if theres any visible damage on the cpu, looks good (its a core 2 duo so it runs fairly cool). RAM seems to be seated. All cards are in. Just no love.
What do you think these symptoms point to?
I initially thought CPU failure as it looked like the processor had just dropped out leaving whatever was in memory to run static, but the power supply stuttering upon the final boot seems to remove the cpu from the equation...perhaps the psu failed on the cpu's supply, which caused the initial freezeups, and then finally kicked it in later on?
I'm really not sure though, this is the first time I've experienced this kind of crash.
If this helps, the system is
Core 2 duo 1.8+
2gb ddr2 800
gigabyte mobo (although off the top of my head I cant remember the model)
ati x1950 256mb
external edirol ua25 usb soundcard
500w psu (brand I cant remember right now, i'll post it tomorrow if needed) - it was a mid-range one though.
running winxp sp2
With no recent hardware or software changes.
Many thanks in advance.