U
uninterruptible power supply (UPS) 52, 59
updating the BIOS 48 USB port 3, 5 utility software
BIOS Setup utility 45
V
video troubleshooting 90
virus 61
protecting against 61
removing with Norton AntiVirus 61 voltage selector switch 5
W
warning battery 42
Windows
resetting the computer 13 setup 11