It happened suddenly, I had no access to my printer...I have had some training and built this comp myself about 4 years ago...I really don't need much as I'm not a big gamer...I have had to slick and start over 2-3 times, but not in a year or so...I've checked the bios and am supposed to be the admin. but am cut out of some changes that I should be able to make...IE, boot sequence, etc...any help please...