|If F8 doesn't work then you need to boot to a DVD. Hopefully you have or have made a recovery cd that is used to repair this. Otherwise you need to boot to a live linux cd and get your data off and then try to reload the OS.|
It might be possible to use recovery disks and save your data, I just don't know what you have or what gateway offers. I know they don't offer much in the way of a manual.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.