My PC cannot enable sleep/hibernation mode because of VGA Save driver. I think understand that this is a backup driver to provide video, how do I circumvent it? I have (or at least had,) Nvidia GeForce drivers. I am in process of finding out exactly which model and trying to locate a download. I have been all over Microsoft support sites for three days and am getting nowhere. I am still running Vista Home Premium (I know, I know). Any insight would be greatly appreciated. I may have deleted a hibernation file during a disk cleanup, so it would be helpful to know more about reinstalling that, too.