Dell 720H2C Solving Problems, Battery Problems, Drive Problems, Click Start and click My Computer

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Troubleshooting
Dell™ XPS™ 720 Owner's Manual
Solving Problems	System Messages
Power Lights	Dell Diagnostics
Diagnostic Lights	Drivers
Beep Codes	Restoring Your Operating System

Solving Problems

Follow these tips 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. This message may help support personnel diagnose and fix the problem(s).

•If an error message occurs in a program, see the program's documentation.

NOTE: The procedures in this document were written for the Windows default view, so they may not apply if you set your Dell™ computer to the Windows Classic view.

Battery Problems

CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

Replace the battery —

If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or date displays during start-up, replace the battery (see Replacing the Battery). If the battery still does not work properly, contact Dell (see Contacting Dell).

Drive Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

Ensure that Microsoft® Windows® Recognizes the drive —

Windows XP:

•Click Start and click My Computer.

Windows Vista™:

•Click the Windows Vista Start button and click Computer.

If the drive is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive.

Test the drive —

•Insert another disc to eliminate the possibility that the original drive is defective.

•Insert a bootable floppy disk and restart the computer.

Clean the drive or disk —

See Cleaning Your Computer.

Check the cable connections