I can't get Win 2K to boot up. It hangs on the startup screen where the large Win 2K logo is. The progress bar gets half way and stops. I have done an emergency repair. I can't get it to boot safe mode. It stops trying to load at mup.sys. I tried recovery using console mode and ran chkdsk on all drives. It found no problem. I reseated all video and network cards. Still no luck