Troubleshooting and Maintenance 47
Audio and speakers
Symptom Possible solution
No sound is produced. If you use an HDMI connector on the graphics card (select
models only) to connect your display (monitor) to the computer,
you should also connect analog speakers to the computer
Audio Line Out connector if you want to hear sound during the
initial setup of the computer.
Refer to the setup poster to connect analog speakers.
Refer to “HDMI-connected display produces no sound.” on
page 42 to change settings and hear sound from your
HDMI-connected display.
Press the Mute button on the keyboard to see whether the Mute
feature is enabled.
Or
1 Click the Windows Vista start button, and then click
Control Panel.
2 Click Hardware and Sound, and then click Adjust
system volume.
3 If programs are muted, click the Mute button to unmute.
If you are using built-in monitor speakers, use the monitor front
panel volume button to adjust volume. Use the front panel
buttons to enter the onscreen display (OSD) and ensure audio is
enabled and volume is set appropriately.
To increase the volume, click the Volume icon on the task bar,
or use the keyboard controls. Check the volume setting in your
software program.
Make sure that you connected powered (active) speakers and
that they are turned on.
Turn off your computer, and then unplug and reconnect the
speakers. Ensure the speakers are connected to an audio
connector, not a Line In or headphone connector.
To resume from Sleep mode, press the Sleep button (select
models only), or press the Esc key on the keyboard.
Unplug headphones if they are connected to your computer (or
speaker system).
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