Dell Inspiron 1720 (Mid 2007) - Manual (Page 9)

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