Floppy disk drive
CD-drive
Hard disk drive
USB drive
Increase performance and run faster
Bag fix for program
Windows reinstallation
Windows update
Installation of program
Uninstallation of program
Hardware update
Del or F2
F3 + Shift
F4 + Alt
F6 + Cntrl
OS problem
BIOS corruptted
CIMOS chip failure
Battery failure
