Lenovo C2 Series User Manual - Page 34

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or other computers that may be generating magnetic interference.

2. Move any interfering devices away from the computer.

3. If the problem persists, consult with Lenovo Service.

5.2 Troubleshooting Audio Problems

Problem: No sound from integrated speakers

Troubleshooting and problem resolution:

• Adjust the windows volume control — Double-click the speaker icon in the

lower-right corner of your screen. Ensure that the volume is turned up and that

the sound is not muted. Adjust the volume, bass, or treble controls to eliminate

distortion.

• Reinstall the audio driver

• Disconnect headphones from the headphone connector — Sound from the

speakers is automatically disabled when headphones are connected to the

computer's side-panel headphone connector.

Problem: No sound from headphones

Troubleshooting and problem resolution:

• Check the headphone cable connection — Ensure that the headphone cable is

securely inserted into the headphone connector.

• Adjust the windows volume control — Click or double-click the speaker icon in

the lower-right corner of your screen. Ensure that the volume is turned up and

that the sound is not muted.

Problem: You are unable exit a running program normally.

Troubleshooting and problem resolution:

1. Open the Task Manager window by pressing Ctrl, Alt and Delete at the same

time.

2. Select the Application tab, select the problem program, and then click the End

Task button.

Problem: You need to install or uninstall a program.

Problem resolution:

During installation never abort the install process by powering the system off or

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