HP ProBook 6555b Notebook-PC User Manual
Page 174
turning off the computer 76
TXT (Intel Trusted Execution
Technology) 144
U
Unified Extensible Firmware
Interface (UEFI) mode 143
unresponsive system 76
updates, software 153
upgrade bay
replacing a hard drive 86
replacing an optical drive 90
USB cable, connecting 93
USB devices
connecting 93
description 93
removing 94
stopping 94
USB hubs 93
USB legacy support 94, 139,
USB ports, identifying 14, 93
user password 115
V
vents, identifying 14, 16
video, recording 17
Virtualization Technology 143
volume buttons 45
volume down button,
volume mute button,
volume up button, identifying 8,
volume, adjusting 45
W
Web sites
HP System Software
Manager 156
HP Universal Print Driver 157
webcam 17
webcam light, identifying 11, 17
webcam properties, adjusting 60
Windows applications key,
Windows Backup utility 136,
Windows logo key, identifying 10,
Windows recovery 138
Wireless Assistant software 23
wireless button 22
wireless button, identifying 8, 9
wireless certification label 20
wireless compartment,
identifying 16
wireless controls
wireless icon 22
wireless light 22
wireless light, identifying 3, 5,
wireless network (WLAN)
connecting 26
corporate WLAN
connection 26
functional range 26
public WLAN connection 26
security 24
wireless network (WLAN),
equipment needed 24
wireless network problems,
troubleshooting 31
WLAN antennas, identifying 18
WLAN device 20, 21, 24
WLAN label 20
writable media 62
WWAN antennas, identifying 18
WWAN device 21
164 Index