DELL MD506 ユーザーズマニュアル

Quick Reference Guide

To help maintain your computer, follow these suggestions:

• To avoid losing or corrupting data, never turn off your computer when the hard drive light is on.
• Schedule regular virus scans using virus software.
• Manage hard drive space by periodically deleting unnecessary files and defragmenting the drive.
• Back up files on a regular basis.
• Periodically clean your monitor screen, mouse, and keyboard (see your User’s Guide for more information).

Perform the following checks when you troubleshoot your computer:

• If you added or removed a part before the problem started, review the installation procedures and 

ensure that the part is correctly installed.

• If a peripheral device does not work, ensure that the device is properly connected.
• If an error message appears on the screen, write down the exact message. The message may help 

technical support personnel diagnose and fix the problem(s).

• If an error message occurs in a program, see the program’s documentation.
• If the recommended action in the troubleshooting section is to see a section in your User’s Guide, go to 

support.dell.com (on another computer if necessary) to access your User’s Guide.

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.

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