Dell RT722, PP22L owner manual External Keyboard problems

IEEE 1394 Device Problems	118
Keyboard Problems	118
External Keyboard problems	118
Unexpected characters	119
Lockups and Software Problems	120
The computer does not start	120
The computer stops responding	120
A program stops responding or crashes repeatedly	120
A program is designed for an earlier Microsoft® Windows®
operating system	120
A solid blue screen appears	121
Dell MediaDirect problems	121
Other software problems	122
Memory Problems	123
Network Problems	123
Mobile Broadband (Wireless Wide Area Network [WWAN]) 124
Power Problems	125
Printer Problems	126
Scanner Problems	127
Sound and Speaker Problems	127
No sound from integrated speakers	127
No sound from external speakers	128
No sound from headphones	128
Touch Pad or Mouse Problems	128
Video and Display Problems	129
If the display is blank	129
If the display is difficult to read	130

8

Contents