I have a unit with a 1.2 G AMD processor running Win2K. It was working fine and was left on all night to start a tape backup. In the morning upon turning on the monitor we found a floating no signal video cable error. On reboot it will light up the hard drive light briefly. It does not boot from 3.5 or CDROM. I tried taking out all the cards except the video. I tried different slot on the video card. I tried a different battery. I tried different video cards. I tried removing all the RAM. It was working fine when it was left on. I do not believe anyone was there after hours. I looked at the jumper setting, I believe it is correct. The unit has Norton anti-virus, Zonealarm Pro and Mailwasher installed. I tried the hard drive in a different unit. It starts up windows 2K and goes into a continue reboot. It will not go into safe mode. Has anybody seen this :( Could it be the bios? The hard drive is puzzling to me? Please submit ideas. They are greatly appreciated. Thanks Richard F. Bolha PCBUILD's List Owners: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>