Dell Precision T5400 (Late 2007) - Manual (Page 7)

Contents 7
Diagnostic Light Codes Before POST
. . . . . . .
121
Diagnostic Light Codes During POST . . . . . . . 123
Beep Codes . . . . . . . . . . . . . . . . . . . . . . . 129
Error Messages . . . . . . . . . . . . . . . . . . . . . 130
Dell Diagnostics . . . . . . . . . . . . . . . . . . . . . 136
When to Use the Dell Diagnostics
. . . . . . . . .
136
Starting the Dell Diagnostics From Your Hard
Drive
. . . . . . . . . . . . . . . . . . . . . . . .
137
Starting the Dell Diagnostics From the Drivers and
Utilities Disc
. . . . . . . . . . . . . . . . . . . .
137
Dell Diagnostics Main Menu . . . . . . . . . . . . 138
11 Reinstalling Software
. . . . . . . . . . . . . .
141
Drivers
. . . . . . . . . . . . . . . . . . . . . . . . . .
141
What Is a Driver? . . . . . . . . . . . . . . . . . . 141
Identifying Drivers
. . . . . . . . . . . . . . . . .
141
Reinstalling Drivers and Utilities
. . . . . . . . . .
142
Troubleshooting Software and Hardware Problems in
the Microsoft
® Windows ® XP and Microsoft Windows
Vista™ Operating Systems . . . . . . . . . . . . . . . 143
Restoring Your Operating System . . . . . . . . . . . . 144
Using Microsoft Windows System Restore . . . . 144
Using Dell™ PC Restore and Dell Factory Image
Restore . . . . . . . . . . . . . . . . . . . . . . . 146
Using the Operating System Disc
. . . . . . . . .
149
12 Adding and Replacing Parts
. . . . . . . . .
151
Before You Begin . . . . . . . . . . . . . . . . . . . . 151