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6 Contents
Mouse Problems . . . . . . . . . . . . . . . . . . . . . 68
Network Problems
. . . . . . . . . . . . . . . . . . . . 69
Power Problems
. . . . . . . . . . . . . . . . . . . . . 70
Printer Problems
. . . . . . . . . . . . . . . . . . . . . 71
Scanner Problems
. . . . . . . . . . . . . . . . . . . . 73
Sound and Speaker Problems
. . . . . . . . . . . . . . 74
No sound from speakers
. . . . . . . . . . . . . . 74
No sound from headphones
. . . . . . . . . . . . 75
Video and Monitor Problems
. . . . . . . . . . . . . . 76
If the screen is blank
. . . . . . . . . . . . . . . . 76
If the screen is difficult to read
. . . . . . . . . . . 77
3 Troubleshooting Tools . . . . . . . . . . . . . . . 79
Power Lights . . . . . . . . . . . . . . . . . . . . . . . 79
Beep Codes
. . . . . . . . . . . . . . . . . . . . . . . 80
System Messages
. . . . . . . . . . . . . . . . . . . . 82
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . . 84
When to Use the Dell Diagnostics
. . . . . . . . . 84
Starting the Dell Diagnostics From
Your Hard Drive
. . . . . . . . . . . . . . . . . . . 84
Starting the Dell Diagnostics From the
Drivers and Utilities Media
. . . . . . . . . . . . . 85
Dell Diagnostics Main Menu
. . . . . . . . . . . . 85
Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . 87
What Is a Driver?
. . . . . . . . . . . . . . . . . . 87
Identifying Drivers
. . . . . . . . . . . . . . . . . 87
Reinstalling Drivers and Utilities
. . . . . . . . . . 88
book.book Page 6 Wednesday, April 16, 2008 3:33 PM