6Contents
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