| 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 |
Contents
7
