power saver on windows 7

[Roxiology]

pc screen wont go on at all ...dont get the normal start up. it says:

Digital 3 input. in power save mode. press computer power button or any key on key board or move mouse.
ive done all of that, have shut down all power including power strip, pressed f2 & f8, used arrow keys, ctrl/alt/delete, escape and get nothing. cant even get 2 the basic start up 2 re adjust it or go 2 an earlier date....HELP!!!