Contents 9
Dell MediaDirect problems . . . . . . . . . . . . 128
Other software problems . . . . . . . . . . . . . 129
Memory Problems . . . . . . . . . . . . . . . . . . . . 130
Network Problems . . . . . . . . . . . . . . . . . . . 131
Mobile Broadband (Wireless Wide Area
Network [WWAN]) . . . . . . . . . . . . . . . . . 131
Power Problems. . . . . . . . . . . . . . . . . . . . . 132
Printer Problems . . . . . . . . . . . . . . . . . . . . 133
Scanner Problems. . . . . . . . . . . . . . . . . . . . 134
Sound and Speaker Problems . . . . . . . . . . . . . 135
No sound from integrated speakers . . . . . . . . 135
No sound from external speakers . . . . . . . . . 135
No sound from headphones . . . . . . . . . . . . 136
Touch Pad or Mouse Problems . . . . . . . . . . . . . 136
Video and Display Problems . . . . . . . . . . . . . . 137
If the display is blank. . . . . . . . . . . . . . . . 137
If the display is difficult to read . . . . . . . . . . 138
If only part of the display is readable . . . . . . . 139
Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . 139
What Is a Driver?. . . . . . . . . . . . . . . . . . 139
Identifying Drivers . . . . . . . . . . . . . . . . . 140
Reinstalling Drivers and Utilities . . . . . . . . . . 140
Troubleshooting Software and Hardware
Problems in the Microsoft® Windows® XP and
Microsoft Windows Vista® Operating Systems . . . . 143
Restoring Your Operating System. . . . . . . . . . . . 144
Using Microsoft Windows System Restore . . . . 145