im trying to help a friend out with his computer, but it has me stumped. first, i turned the powersupply back on and it came on immediately, maybe his power button is broken? then it made noises that i would not be happy to hear coming from my box, seemed the harddrive was struggling. the monitor didnt come on fast enough to see the bios the first boot, then i saw the white bar line across the bottom of the screen that turns into the solid white line. then it ran winxp's checkdisk util, ran through the step 1 of 3, and halfway through step 2 said "unknown error" and went to the welcome screen where it promptly rebooted. by welcome screen, it was the windows blue with the word "welcome", but it did not have any user icons or the nt login box this time, i saw the bios, everything appears ok. white bar, checkdisk util bailed out partway through first step, no message, went to welcome screen, reboot. bios ok, f8 to get to safe mode, selected "safe mode", it started scrolling the drivers it was installing. stopped on system32/drivers/mup.sys, hung, rebooted. i flipped of the powersupply. any ideas?