Dell Vostro 400 - Page 6

6 Contents
Sound and Speaker Problems . . . . . . . . . . . . . . 77
No sound from speakers
. . . . . . . . . . . . . . 77
No sound from headphones
. . . . . . . . . . . . 78
Video and Monitor Problems
. . . . . . . . . . . . . . 79
If the screen is blank
. . . . . . . . . . . . . . . . 79
If the screen is difficult to read
. . . . . . . . . . . 80
4 Troubleshooting Tools . . . . . . . . . . . . . . 81
Power Lights . . . . . . . . . . . . . . . . . . . . . . . 81
Beep Codes
. . . . . . . . . . . . . . . . . . . . . . . . 82
System Messages
. . . . . . . . . . . . . . . . . . . . 84
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . . 86
When to Use the Dell Diagnostics
. . . . . . . . . 86
Starting the Dell Diagnostics From Your
Hard Drive
. . . . . . . . . . . . . . . . . . . . . . 86
Starting the Dell Diagnostics From the Drivers
and Utilities Media
. . . . . . . . . . . . . . . . . 87
Dell Diagnostics Main Menu
. . . . . . . . . . . . 87
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . . 89
What Is a Driver?
. . . . . . . . . . . . . . . . . . 89
Identifying Drivers
. . . . . . . . . . . . . . . . . 90
Reinstalling Drivers and Utilities
. . . . . . . . . . 90
Restoring Your Operating System
. . . . . . . . . . . . 93
Using Microsoft
Windows System Restore . . . . . 94
Using Dell PC Restore and Dell Factory
Image Restore
. . . . . . . . . . . . . . . . . . . 95
Using the Operating System Media
. . . . . . . . . 98
Troubleshooting Software and Hardware
Problems
. . . . . . . . . . . . . . . . . . . . . 100