Out Of Range! Monitor Message

Sometimes when I leave linux on for a wile, after the screensaver, a message on my monitor(a monitor window, not a linux window) displays a message: Out Of Range. after fiddling with the power button for a wile, the message just comes back when i turn it back on. The problem is… i cannot see the computer screen to safely restart the computer, so i experice bootup errors with the filesystem… I fixed the fs errors with fsck! but now i want to stop the Out of range message.

Please help!

Sceptre widescreen lcd
I dont know the Driver (how to find it)

Try this, may be of help: New monitor - openSUSE Forums

thanks, i will do this if it happens again, i has not happened in a while.