Verify that the audio device drivers are correctly installed. See Microsoft Windows help system for more information.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 99 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 103.

An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive

Symptom: An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a drive

Action: See “CD problems” on page 86.

Sound comes from one external speaker only

Symptom: Sound comes from one external speaker only.

Actions:

Ensure that the speaker cable is inserted completely into the connector on the computer.

Make sure the cable that attaches the left speaker to the right speaker is securely connected.

Double-click the speaker icon in the Windows notification area. A master volume-control window opens. Verify that the Balance settings are set correctly.

If these actions do not correct the problem, you might have a failing speaker. Have the speaker serviced. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 103.

No audio in DOS applications or games

Symptom: No audio in DOS applications or games

Actions:

Make sure the DOS application or game is configured to use SoundBlaster Pro or SoundBlaster emulation. Refer to the documentation that comes with the application or game for instructions on setting sound-card settings.

If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 99 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 103.

CD problems

Select your symptom from the following list:

“An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a CD drive” on page 86

“A CD or DVD does not work” on page 87

“Unable to use a startable (bootable) recovery medium, such as the Product Recovery CD, to start your computer” on page 87

An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a CD drive

Symptom: An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted into a CD drive.

86ThinkCentre User Guide

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Lenovo 1990, 1993, 1995, 1986 CD problems, Sound comes from one external speaker only, No audio in DOS applications or games