Dell RT722 Laptop User Manual


 
8 Contents
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