Laptop User Manual

Contents 9
Network Problems . . . . . . . . . . . . . . . . . . . 121
Mobile Broadband
(Wireless Wide Area Network [WWAN])
. . . . . 122
Power Problems . . . . . . . . . . . . . . . . . . . . . 122
Printer Problems
. . . . . . . . . . . . . . . . . . . . 124
Scanner Problems
. . . . . . . . . . . . . . . . . . . . 124
Sound and Speaker Problems
. . . . . . . . . . . . . 125
No sound from integrated speakers
. . . . . . . . 125
No sound from external speakers
. . . . . . . . . 125
No sound from headphones
. . . . . . . . . . . . 126
Touch Pad or Mouse Problems
. . . . . . . . . . . . . 126
Video and Display Problems
. . . . . . . . . . . . . . 127
If the display is blank
. . . . . . . . . . . . . . . . 127
If the display is difficult to read
. . . . . . . . . . 128
If only part of the display is readable
. . . . . . . 129
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . 129
What is a Driver?
. . . . . . . . . . . . . . . . . . 129
Identifying Drivers
. . . . . . . . . . . . . . . . . 130
Reinstalling Drivers and Utilities
. . . . . . . . . . 130
Troubleshooting Software and Hardware Problems
in the Windows Vista™ Operating System
. . . . . . . 132
Restoring Your Operating System . . . . . . . . . . . . 133
Using Windows Vista System Restore
. . . . . . . 134