Contents 9
Network Problems . . . . . . . . . . . . . . . . . . . 113
Mobile Broadband (Wireless Wide Area
Network [WWAN])
. . . . . . . . . . . . . . . . . 113
Power Problems . . . . . . . . . . . . . . . . . . . . . 114
Printer Problems
. . . . . . . . . . . . . . . . . . . . 115
Scanner Problems
. . . . . . . . . . . . . . . . . . . . 116
Sound and Speaker Problems
. . . . . . . . . . . . . 117
No sound from integrated speakers
. . . . . . . . 117
No sound from external speakers
. . . . . . . . . 117
No sound from headphones
. . . . . . . . . . . . 118
Remote Control Problems
. . . . . . . . . . . . . . . . 118
Touch Pad or Mouse Problems
. . . . . . . . . . . . . 118
Video and Display Problems
. . . . . . . . . . . . . . 119
If the display is blank
. . . . . . . . . . . . . . . . 119
If the display is difficult to read
. . . . . . . . . . 120
If only part of the display is readable
. . . . . . . 120
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . 121
What Is a Driver?
. . . . . . . . . . . . . . . . . . 121
Identifying Drivers
. . . . . . . . . . . . . . . . . 121
Reinstalling Drivers and Utilities
. . . . . . . . . . 122
Troubleshooting Software and Hardware
Problems
. . . . . . . . . . . . . . . . . . . . . . . . . 124
Restoring Your Operating System
. . . . . . . . . . . . 124
Using Microsoft
Windows System Restore . . . . 124
Using the Operating System Media
. . . . . . . . 125
