Contents 9Dell MediaDirect problems . . . . . . . . . . . . 134Other software problems . . . . . . . . . . . . . 135Memory Problems . . . . . . . . . . . . . . . . . . . . 136Network Problems . . . . . . . . . . . . . . . . . . . 136Mobile Broadband (Wireless Wide AreaNetwork [WWAN]) . . . . . . . . . . . . . . . . . 137Power Problems . . . . . . . . . . . . . . . . . . . . . 137Printer Problems . . . . . . . . . . . . . . . . . . . . 139Scanner Problems . . . . . . . . . . . . . . . . . . . . 140Sound and Speaker Problems . . . . . . . . . . . . . 141No sound from integrated speakers . . . . . . . . 141No sound from external speakers . . . . . . . . . 141No sound from headphones . . . . . . . . . . . . 142Remote Control Problems . . . . . . . . . . . . . . . . 142Touch Pad or Mouse Problems . . . . . . . . . . . . . 142Video and Display Problems . . . . . . . . . . . . . . 143If the display is blank . . . . . . . . . . . . . . . . 143If the display is difficult to read . . . . . . . . . . 144If only part of the display is readable . . . . . . . 145Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . 145What Is a Driver? . . . . . . . . . . . . . . . . . . 145Identifying Drivers . . . . . . . . . . . . . . . . . 145Reinstalling Drivers and Utilities . . . . . . . . . . 146Troubleshooting Software and HardwareProblems . . . . . . . . . . . . . . . . . . . . . . . . . 149
