Troubleshooting Audio Problems - Lenovo Yoga A940WC User Manual

Problem: You need to change the display property settings.
Setting display background and icon properties:
1. Right-click the desktop anywhere except over an icon, then select Personalize from
the pop-up menu.
2. From here, select the appropriate options to:
• Change the desktop background
• Select a screen saver
• Select Windows color options for borders and taskbar
• Select a theme
3. Right-click the desktop anywhere except over an icon, then select Display settings
from the pop-up menu to change the appearance.
Problem: Ripple on screen.
Troubleshooting and problem resolution:
1. Check to see if any of the following devices are located less than one meter from
the computer: refrigerators, electric fans, electric dryers, UPS systems, regulators,
fluorescent lamps or other computers that may be generating magnetic interference.
2. Move any interfering devices away from the computer.
3. If the problem persists, contact Lenovo Service.

Troubleshooting audio problems

Problem: No sound from the integrated speakers.
Troubleshooting and problem resolution:
• Adjust the Windows volume control: select the speaker icon from the taskbar. Ensure
that the volume is turned up and the sound is not muted. Adjust the volume, bass, or
treble controls to eliminate distortion.
• Reinstall the audio driver.
• Disconnect any 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: select the speaker icon from the taskbar.
Ensure that the volume is turned up and the sound is not muted.
-13-