HP 280 G1 manual Solving audio problems

Sound does not come out of the speaker or headphones.

Cause	Solution
Software volume control is turned down or muted.	Double-click the Speaker icon on the taskbar, then make sure
	that Mute is not selected and use the volume slider to adjust the
	volume.
	NOTE: In Windows 8.1, the taskbar is available at the bottom of
	the Desktop screen.
Audio is hidden in Computer Setup.	Enable the audio in Computer Setup: Security > Device Security >
	System Audio.
The external speakers are not turned on.	Turn on the external speakers.
The audio device may be connected to the wrong jack.	Ensure that 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.
External speakers plugged into the wrong audio jack on a recently	See the sound card documentation for proper speaker
installed sound card.	connection. The rear audio jack output is the green receptacle.
Headphones or devices connected to the line-out connector mute	Turn on and use headphones or external speakers, if connected,
the internal speaker.	or disconnect headphones or external speakers.
Computer is in Sleep state.	Press the power button to resume from Sleep state.
	CAUTION: When attempting to resume from Sleep state, do not
	hold down the power button for more than four seconds.
	Otherwise, the computer will shut down and you will lose any
	unsaved data.
Internal speaker is disabled in Computer Setup.	Enable the internal speaker in Computer Setup. Select Advanced
	> Device Options > Internal Speaker.
The application is set to use a different audio device than	Some graphics cards support audio over the DisplayPort
speakers.	connection (if applicable), so multiple audio devices may be listed
	in Device Manager. Make sure the correct device is being used.
	To access Device Manager in Windows 7, click Start, select
	Control Panel, and then select Device Manager.
	To access Device Manager in Windows 8.1, from the Start screen,
	type c, select Control Panel from the list of applications, and then
	select Device Manager.
Some applications can select which audio output device is used.	Make sure the application has selected the correct audio device.
The operating system controls may be set to use a different audio	Set the operating system to use the correct audio device.
device as the default output device than what is expected.

Sound from headphones is not clear or muffled.

Cause Solution

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.

Plug the headphones into the headphone connector on the front of the computer.

Solving audio problems 77