4removing and installing parts – Dell XPS 420 (Late 2007) User Manual
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Contents
System Messages
. . . . . . . . . . . . . . . . . . . .
83
Dell Diagnostics
. . . . . . . . . . . . . . . . . . . . .
86
When to Use Dell Diagnostics
. . . . . . . . . . .
86
Starting Dell Diagnostics From Your
Hard Drive
. . . . . . . . . . . . . . . . . . . . .
87
Starting Dell Diagnostics From the Drivers and
Utilities Media
. . . . . . . . . . . . . . . . . . .
88
Dell Diagnostics Main Menu
. . . . . . . . . . . .
88
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . .
90
What Is a Driver?
. . . . . . . . . . . . . . . . . .
90
Identifying Drivers
. . . . . . . . . . . . . . . . .
91
Reinstalling Drivers and Utilities
. . . . . . . . . .
91
Using Windows Device Driver Rollback
. . . . . .
91
Using the Drivers and Utilities Media
. . . . . . .
92
Troubleshooting Software and Hardware Problems
in the Microsoft Windows Vista™ Operating
System
. . . . . . . . . . . . . . . . . . . . . . . . . .
93
Restoring Your Operating System
. . . . . . . . . . . .
94
Using Microsoft
Windows
System Restore
. . . .
94
Using Dell Factory Image Restore
. . . . . . . . .
95
Using the Operating System Media
. . . . . . . .
96
Troubleshooting LCD Display Problems
. . . . . . . . .
98
4
Removing and Installing Parts
. . . . . . . .
99
Before You Begin
. . . . . . . . . . . . . . . . . . . .
99
Recommended Tools
. . . . . . . . . . . . . . . .
99
Turning Off Your Computer
. . . . . . . . . . . . .
99
Before Working Inside Your Computer
. . . . . . .
100
Removing the Computer Cover
. . . . . . . . . . . . .
101
book.book Page 6 Tuesday, November 27, 2007 10:29 AM