Dell Vostro 400 Owner's Manual - Page 6
Troubleshooting Tools, Sound and Speaker Problems, Video and Monitor Problems, Power Lights - drivers
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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 6 Contents