HP 421 Notebook-PC User Manual
Page 156

TouchPad
TouchPad button, identifying 1
TouchPad scroll zone,
identifying 2
TouchPad, identifying 1
traveling with the computer
modem approval label 14
troubleshooting
AutoPlay 53
device drivers 54
disc burning 53
disc does not play 52
external display 53
HP device drivers 54
Microsoft device drivers 55
modem 28
movie play 53
optical disc tray 50
optical drive detection 51
wireless network problems 22
turning off the computer 71
TXT (Trusted Execution
Technology) 125
U
Unified Extensible Firmware
Interface (UEFI) mode 124
unresponsive system 71
updates, software 135
USB cable, connecting 81
USB devices
connecting 81
description 81
removing 81
stopping 81
USB hubs 81
USB legacy support 82, 120, 124
USB port, powered 83
USB ports, identifying 8, 9, 81
user password 99
V
vents, identifying 9, 11
video transmission types 33
Virtualization Technology 125
volume
volume, adjusting 40
W
Web sites
HP System Software
Manager 137
webcam
identifying 39
webcam light, identifying 11
webcam properties, adjusting 56
webcam, identifying 11
Windows applications key,
identifying 6, 7
Windows logo key, identifying 6,
Windows Vista operating system
DVD 119
wireless antennas 12
Wireless Assistant software 16
wireless certification label 14
wireless controls
Connection Manager
software 16
key 16
operating system 16
Wireless Assistant software
wireless devices, types 15
wireless icon 15
wireless key 16
wireless key, identifying 6, 7
wireless light 16
wireless light, identifying 4
wireless network (WLAN)
connecting 20
corporate WLAN connection
described 15
equipment needed 18
functional range 20
public WLAN connection 20
security 18
using 18
wireless network problems,
troubleshooting 22
WLAN device 14, 15, 18
WLAN label 14
WLAN module compartment,
identifying 11
writable media 58
144 Index