Dell Vostro 400 (Mid 2007) - Manual (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