I need help, my revue is doing the following, from time to time its stopped working. Its mean that I saw a black screen with no signal from reveu and I have to disconect and connetc again to resume working. The Ctr-Alt-Del not working when I get the black screen. The only thing I can do to get it work again is cut the power and everything working again till its stopped working. I tried factory reset a couple of time with no results. I dont know what to do, this is my last step from get a vizio co star to replacment. but I like my big keaboard. I would apreciate your help.