HP EliteDesk 705 G5 Maintenance And Service Manual page 88

Sound does not come out of the speaker or headphones.
Cause
Software volume control is turned down or muted.
Audio is hidden in Computer Setup.
The external speakers are not turned on.
The audio device might be connected to the wrong jack.
External speakers plugged into the wrong audio jack on a recently
installed sound card.
Headphones or devices connected to the line-out connector mute
the internal speaker.
Computer is in Sleep state.
Internal speaker is disabled in Computer Setup.
The application is set to use a different audio device than
speakers.
Some applications can select which audio output device is used.
The operating system controls might be set to use a different
audio device as the default output device than what is expected.
Sound from headphones is not clear or muffled.
Cause
Headphones are plugged into the rear audio output connector.
The rear audio output connector is for powered audio devices and
is not designed for headphone use.
Computer appears to be locked up while recording audio.
Cause
The hard disk might be full.
78 Chapter 6 Troubleshooting without diagnostics
Solution
Double-click the Speaker icon on the taskbar, make sure that
Mute is not selected, and use the volume slider to adjust the
volume.
Enable the audio in Computer Setup: Advanced > Built-in Device
Options.
Turn on the external speakers.
Make sure the device is connected to the correct jack on the
computer. The rear audio jack output is the green receptacle. The
speakers should be plugged into the line-out jack and the
headphones should be plugged into the headphone jack.
See the sound card documentation for proper speaker connection.
The rear audio jack output is the green receptacle.
Turn on and use headphones or external speakers, if connected,
or disconnect headphones or external speakers.
Press the power button to resume from Sleep state.
IMPORTANT: When attempting to resume from Sleep state, do
not hold down the power button for more than 4 s. Otherwise, the
computer will shut down and you will lose any unsaved data.
Enable the internal speaker in Computer Setup. Select Advanced >
Built-in Device Options.
Some graphics cards support audio over the DisplayPort
connection (if applicable), so multiple audio devices might be
listed in Device Manager. Make sure the correct device is being
used.
To access Device Manager in Windows 10, type device
manager in the taskbar search box, and then select Device
Manager from the list of applications.
Make sure the application has selected the correct audio device.
Set the operating system to use the correct audio device.
Solution
Plug the headphones into the headphone connector on the front
of the computer.
Solution
Before recording, make sure there is enough free space on the
hard disk. You can also try recording the audio file in a
compressed format.