Lenovo A5 Series Podręcznik użytkownika - Strona 38

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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 Touch screen

Problem: The touch screen reacts, but not where you are touching it.

Troubleshooting and problem resolution:

Touch Screen Calibration:

1. In Control Panel, select "Hardware and Sound".

2. In "Hardware and Sound" window, select "Tablet PC Settings".

3. In "Tablet PC Settings" dialogue, click "Calibrate" button.

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

Settings Charm or click the arrow on taskbar to show the hidden icons in

Windows desktop mode, then click the speaker icon. 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.

User Guide