16Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

17Open the system. See "Opening the System" on page 41.

18Reinstall one of the expansion cards you removed in step 12. See "Installing an Expansion Card" on page 57.

19Close the system. See "Closing the System" on page 41.

20Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

21Run the appropriate online diagnostic test to see whether the diskette drive works correctly.

22Repeat step 16 through step 21 until all expansion cards are reinstalled or one of the expansion cards causes the tests to fail.

If the problem is not resolved, see "Getting Help" on page 107.

Troubleshooting an Optical Drive

Problem

System cannot read data from a CD or DVD in an optical drive.

Optical drive indicator does not blink during boot.

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge.

1Try using a different CD or DVD that you know works properly.

2Enter the System Setup program and ensure that the drive’s IDE controller is enabled. See "Using the System Setup Program" on page 27.

3Run the appropriate online diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 97.

4Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

5Open the system. See "Opening the System" on page 41.

6Ensure that the interface cable is securely connected to the optical drive and to the controller.

7Ensure that a power cable is properly connected to the drive.

8Close the system. See "Closing the System" on page 41.

9Reconnect the system to the electrical outlet, and turn on the system and attached peripherals. If the problem is not resolved, see "Getting Help" on page 107.

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Troubleshooting Your System

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Dell KH934 owner manual Troubleshooting an Optical Drive

KH934 specifications

The Dell KH934 is a high-performance laptop designed to meet the demands of both professional users and tech enthusiasts. Sporting a sleek and modern design, it combines aesthetic appeal with robust functionality, making it a versatile choice for a wide range of applications.

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