DELL U7021 ユーザーズマニュアル

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Advanced Troubleshooting
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6 When prompted, click Yes.
The computer restarts. Because the computer is restored to its original operating state, the 
screens that appear, such as the End User License Agreement, are the same ones that 
appeared the first time the computer was turned on. 
7 Click Next.
The System Restore screen appears and the computer restarts. 
8 After the computer restarts, click OK.
Resolving Software and Hardware Incompatibilities
If a device is either not detected during the operating system setup or is detected but incorrectly 
configured, you can use the Hardware Troubleshooter to resolve the incompatibility. 
To resolve incompatibilities using the Hardware Troubleshooter:
1 Click the Start button and click Help and Support.
2 Type 
hardware troubleshooter
 in the Search field and click the arrow to start the search.
3 Click Hardware Troubleshooter in the Search Results list.
4 In the Hardware Troubleshooter list, click I need to resolve a hardware conflict on my 
computer, and click Next.
Reinstalling Microsoft
®
 Windows
®
 XP
 
NOTICE: 
You must use Windows XP Service Pack 1 (SP1) or later when you reinstall Windows XP.
Before You Begin
If you are considering reinstalling the Windows XP operating system to correct a problem with a 
newly installed driver, first try using Windows XP Device Driver Rollback (see page 60). If Device 
Driver Rollback does not resolve the problem, then use System Restore (see page 61) to return your 
operating system to the operating state it was in before you installed the new device driver.
 
NOTICE: 
Before performing the installation, back up all data files on your primary hard drive. For 
conventional hard drive configurations, the primary hard drive is the first drive detected by the computer.
To reinstall Windows XP, you need the following items:
Dell™ Operating System CD
Dell ResourceCD
 
NOTE: 
The ResourceCD contains drivers that were installed during assembly of the computer. Use the 
ResourceCD to load any required drivers.