The weird thing now is that it will boot successfully if I warm it up.
Warm up as in:
Press Del at POST and go to PC Health. Let the system temp rise up to 35-40C (from 27C) which takes 10-15 minutes and exit BIOS. Then load windows and all is fine.
This problem is getting weirder by the...
The computer was reformatted with both XP and Windows 7, so it's a clean slate. The computer shuts down every time it loads into the welcome screen.
Things that I have tried:
1) Replacing the power supply
2) Reformatting as mentioned above
3) Memtest 86+ with no errors
4) Checkdisk when...