my Acer aspire 5517 it keeps showing a black screen that say to.insert a disc and then press any key but i dont have a disc, and when i try logging in it wont let me just shows a blue screen and says to restart and if this is the first time happening, i restarted and pressed f2 and it brought me to InsydeH2O setup utility.what do i do? I already tried f8 with safe mode and debugging but brings me back to the two screens i said earlier