IBM 48X-20X Mode D'emploi page 101

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Appendix B. Problem solving

Computer problems can be caused by hardware, software, or user error. Using

the information in this section, you might be able to solve problems yourself or

gather helpful information you can pass on to a service technician. You might

also need to refer to your computer, operating-system, or audio-adapter

publications.

Problem descriptions

Review the following list for any problem descriptions that might fit your

situation.

Your computer or CD-ROM drive does not operate correctly

or the Busy indicator light does not come on.

Take the following actions:

1. Make sure that the CD is inserted with the label side up or facing out if the

drive is installed vertically.

2. Make sure that all devices are properly connected to the computer and the

electrical outlet.

3. Turn off the computer, unplug the cables from the electrical outlets for your

computer and all attached devices, and remove the computer cover.

4. Make sure that all power and IDE cables are securely attached. Disconnect

the IDE cable and check for bent or misaligned pins. If you do not find any

problems, reconnect the cable. Replace the computer cover, and reattach all

cables and power cords. Turn on the computer and attempt to open the CD

tray by pressing the Eject/Load button. If the tray fails to open and the

Busy indicator light does not display, turn off the computer and try

replacing the 4-pin dc power cable.

5. Make sure that the color-coded edge on the IDE cable aligns with pin 1 on

the IDE port and is closest to the power cable on the CD-ROM drive. See

"Step 6. Attaching the cables to the drive" on page 1-6.

6. Make sure that the IDE cable is connected to the correct IDE port

connection. See "Step 3. Selecting the IDE port" on page 1-4 for more

information.

7. Check the CD-ROM drive and any other device on the IDE cable for the

proper jumper configuration settings. See "Step 4. Setting the configuration

jumper" on page 1-5 for more information.

8. Check to see if the middle connector on the IDE cable is attached to the

IDE port on the system board. If it is, remove the connector and reattach

the cable correctly. The middle port is used only if you are connecting two

devices to the IDE port. If there are two devices on the IDE port, attach the

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