HP ProDesk 490 G3 MT User Manual

Sound does not come out of the speaker or headphones.
Cause Solution
The application is set to use a dierent audio device than
speakers.
Some graphics cards support audio over the DisplayPort
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.
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.
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 dierent audio
device as the default output device than what is expected.
Set the operating system to use the correct audio device.
Sound from headphones is not clear or mued.
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.
Computer appears to be locked up while recording audio.
Cause Solution
The hard disk may be full. Before recording, make sure there is enough free space on the
hard disk. You can also try recording the audio le in a
compressed format.
Line-in jack is not functioning properly.
Cause Solution
Jack has been recongured in the audio driver or application
software.
In the audio driver or application software, recongure the jack or
set the jack to its default value.
There is no sound or sound volume is too low.
Cause Solution
The application is set to use a dierent audio device than
speakers.
Some graphics cards support audio over the DisplayPort
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.
Solving audio problems 95

HP ProDesk 490 G3 MT Specifications

General

Operating System	Windows 10 Pro
Form Factor	Microtower
Memory Slots	2 DIMM
Memory Type	DDR4-2133
Maximum Memory	32 GB
Weight	7.05 kg
Processor	Intel Core i5, i3
RAM	Up to 32GB DDR4
Storage	500 GB HDD
Graphics	Intel HD Graphics 530
Chipset	Intel H110 Chipset
Internal Drive Bays	1 x 3.5"
External Drive Bays	1 x 5.25"
Expansion Slots	1 PCIe x16
Ports (Front)	2 USB 3.0
Ports (Rear)	1 VGA
Audio	Realtek ALC221
Optical Drive	DVD-Writer