HP Pavilion a400 HP Pavilion Destkop PCs - (English) Users Guide PAV NA/CTO 59 - Page 82

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audio Symptom No sound is produced. Problem Volume is muted. Volume is turned down. Speakers are turned off. Speaker cables are not properly connected. PC is in standby mode. A passive speaker system is being used. Headphones are plugged in. Solution Press the Mute button on the keyboard to see if the mute feature is turned on. Or 1 Click Start, and then click Control Panel. 2 Click Sounds, Speech, and Audio Devices, if it is present, and then double-click Sounds and Audio Devices. 3 Click the Mute check box to remove the check mark from the box. Use the keyboard controls to increase the volume. Check whether speakers are turned on. Turn off your PC, and reconnect the speakers. Press the Standby button (select models only) or press the Esc key on the keyboard to resume from standby mode. Replace the speaker system with an active speaker system. Active speakers have a power cord and On button, and connect to the Audio Out (green) connector on the PC. Unplug the headphones. 74 user's guide

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74
user’s guide
audio
Symptom
Problem
Solution
Volume is muted.
Press the Mute button on the keyboard to see if the mute
feature is turned on.
Or
1
Click
Start
, and then click
Control Panel
.
2
Click
Sounds, Speech, and Audio Devices
, if it is
present, and then double-click
Sounds and Audio
Devices
.
3
Click the
Mute
check box to remove the check mark
from the box.
Volume is turned down.
Use the keyboard controls to increase the volume.
Speakers are turned off.
Check whether speakers are turned on.
Speaker cables are not
properly connected.
Turn off your PC, and reconnect the speakers.
PC is in standby mode.
Press the Standby button (select models only) or press the
Esc key on the keyboard to resume from standby mode.
A passive speaker system is
being used.
Replace the speaker system with an active speaker system.
Active speakers have a power cord and On button, and
connect to the Audio Out (green) connector on the PC.
No sound is produced.
Headphones are
plugged in.
Unplug the headphones.