Hour glass. so i have the problem were i had it for a few days and it worked fine then i got the

Question

so i have the problem were i had it for a few days and it worked fine then i got the hour glass so i try to look for it in my computer to reformat it. but it won't show that i have it plugged in. and when i tried to put in the disc to re-install it, i can't get it to install..........what do i do with all my problems!?