After downloading a program that proberly was a virus the laptop restarts and I get bootmrg missing, and I get the win 7 usb boot to repair from and when I startup the setup there is no disk to choose to repair or install, the reason I don't think the hdd is broke is that this have happend before on another laptop and I left it to techsupport and payed altot and they fixed it without changing any hardware. second problem is that I cant get in the Bios I tryed holding in del,insert F2, F8 and non of them work. please help me.