Hi I'm new to the site and wondered if anyone could help me with my dead machine. It has been running fine up until recently when I added sonicstage 3.3 software. I then came to it several times to find a black screen with the message "operating system cannot be found". obviously I panicked but when I restarted it it loaded fine again. It did this a couple of times until recently when I restarted it I get the emachines logo and then a black screen with a cursor and no further progress. Pressing F8 does not make any difference nor ctrl alt del which just repeats the same process. I am really worried that I may have lost everything on my hard drive. Does anyone have any suggestions? Please help!!