Desperate!!! When booting up the computer freezes in the booting sequence (Black Windows logo on the screen). When I try to boot up in safe mode, I was able to do a scan disk on both hard drives (there were no errors) before it froze up again. I continue to boot it up in safe mode and some times I get through only to have it refreeze after a few minutes and sometimes its locks up in the boot sequence. Incidently I did do a system roll back to a date I know is good. Did not help at all. Any suggestions, please help!!!