6 ContentsOption Settings . . . . . . . . . . . . . . . . . . . 84Selecting the Boot Device for the Current Boot . . 84Changing Boot Sequence for Future Boots . . . . 85Booting to a USB Device . . . . . . . . . . . . . . 857 Clearing Forgotten Passwords . . . . . . . . 87Clearing CMOS Settings . . . . . . . . . . . . . . . . . 89Flashing the BIOS . . . . . . . . . . . . . . . . . . . . 898 Cleaning Your Computer . . . . . . . . . . . . . 91Computer, Keyboard, and Monitor . . . . . . . . . 91Floppy Drive . . . . . . . . . . . . . . . . . . . . 91CDs and DVDs . . . . . . . . . . . . . . . . . . . 919 Troubleshooting . . . . . . . . . . . . . . . . . . . . 93Solving Problems . . . . . . . . . . . . . . . . . . . . 93Battery Problems . . . . . . . . . . . . . . . . . . 93Drive Problems . . . . . . . . . . . . . . . . . . . 93E-Mail and Internet Problems . . . . . . . . . . . 95Keyboard Problems . . . . . . . . . . . . . . . . . 96Lockups and Software Problems . . . . . . . . . . 96Memory Problems . . . . . . . . . . . . . . . . . 98Mouse Problems . . . . . . . . . . . . . . . . . . 99Network Problems . . . . . . . . . . . . . . . . . 99Power Problems . . . . . . . . . . . . . . . . . . 100Printer Problems . . . . . . . . . . . . . . . . . . 101Scanner Problems . . . . . . . . . . . . . . . . . 102Sound Problems . . . . . . . . . . . . . . . . . . 103
