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Lenovo IdeaCentre Q190 Series Manual

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User Guide
Set the refresh rate of your TV or monitor to less than 60 Hz to avoid damage
to your TV or monitor.
If there is no image displayed on the TV or monitor after setting a new refresh
rate, turn off your TV or monitor and wait for a moment before restarting. For
TV, you may switch the input style to another and then switch it back to make
your TV display normally.
Problem: Ripple on screen.
Troubleshooting and problem resolution:
1. Check for devices located less than one meter from the computer such as
refrigerators, electric fans, electric dryers, UPSs, 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, consult your display devices supplier.
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 that the sound is not muted. Adjust the volume, bass, and treble
controls to eliminate distortion.
• Reinstalltheaudiodriver.
• Disconnectanyheadphonesfromtheheadphonesocket—soundfromthe
speakers is automatically disabled when headphones are connected to the
computer’s side-panel headphone socket.
• RemoveandreconnecttheHDMIconnector,restartthecomputer,andsetthe
HDMI as the audio output mode (for example via the control panel).
Note: IdeaCentre Q190 supports HDMI audio and video output. To learn
moreaboutHDMI,gotothewebsiteat:http://www.hdmi.com/
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 socket.
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