HP Compaq Presario CQ42-210AU Notebook PC - Manual (Page 118)

troubleshooting
disc burning 55
disc play 54
DVD movie play 55
external display 55
HP device drivers 57
optical disc tray 51
optical drive detection 53
Windows device drivers 57
turning off the computer 70
U
unresponsive system 70
USB cable, connecting 78
USB devices
connecting 78
description 78
removing 79
USB hubs 78
USB ports, identifying 7, 8, 78
using Setup Utility 92
using system restore 103
V
vents, identifying 8, 9
video, using 35
Virtualization Technology 95
volume down action key 31, 32
volume mute action key 31, 32
volume up action key 31, 32
volume, adjusting 32
W
webcam
identifying 6, 31
using 49
webcam light, identifying 6, 31
webcam properties, adjusting 51
webcam tips 50
Windows applications key,
identifying 5
Windows logo key, identifying 5
Windows, passwords set in 87
wireless action key
using 14
wireless antennas 10
Wireless Assistant software 14,
15
wireless certification label 12
wireless controls
button 14
operating system 14
Wireless Assistant
software 14
wireless devices, types 13
wireless icon 14
wireless light 3, 14
wireless network (WLAN)
connecting 18
corporate WLAN
connection 18
described 13
equipment needed 16
functional range 18
public WLAN connection 18
security 17
WLAN device 12
WLAN label 12
WLAN module 9
writable media 58
108 Index