HP ProDesk 490 G1 User Manual

Solving audio problems
If the computer has audio features and you encounter audio problems, see the common causes and
solutions listed in the following table.
Sound cuts in and out.
Cause Solution
Processor resources are being used by other open
applications.
Shut down all open processor-intensive applications.
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, 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 installed sound card.
See the sound card documentation for proper speaker
connection. The rear audio jack output is the green
receptacle.
Headphones or devices connected to the line-out connector
mute the internal speaker.
Turn on and use headphones or external speakers, if
connected, 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.
Solving audio problems
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HP ProDesk 490 G1 Specifications

General

Tcase	72.72 °C
Bus type	DMI2
Stepping	C0
Processor cache	8 MB
Processor cores	4
System bus rate	5 GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-4700 Desktop series
Processor socket	LGA 1150 (Socket H3)
Processor threads	8
Processor codename	Haswell
Processor frequency	3.4 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	3.0
Processor boost frequency	3.9 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	84 W
Number of processors installed	1
Maximum number of PCI Express lanes	16
Memory types supported by processor	DDR3-SDRAM
Memory voltage supported by processor	1.5 V
Memory clock speeds supported by processor	1333, 1600 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s
Maximum internal memory supported by processor	32 GB
Memory slots	4x DIMM
Internal memory	16 GB
Memory channels	Dual-channel
Memory clock speed	1600 MHz
Maximum internal memory	- GB
HDD size	3.5 \
HDD speed	7200 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi
Card reader integrated	Yes
Total storage capacity	1000 GB
Intel segment tagging	Enterprise, Small Business
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x
On-board graphics card ID	0x412
Discrete graphics card model	NVIDIA® GeForce® GT 630
On-board graphics card model	Intel® HD Graphics 4600
Discrete graphics card memory	2048 GB
Discrete graphics memory type	GDDR3
On-board graphics card family	Intel® HD Graphics
Maximum on-board graphics card memory	2 GB
On-board graphics card OpenGL version	4.3
On-board graphics card base frequency	350 MHz
On-board graphics card DirectX version	11.2/12
On-board graphics card dynamic frequency (max)	1200 MHz
Number of displays supported (on-board graphics)	3
Bundled software	HP Client Security\\r HP Trust Circles Standard\\r HP Wireless HotSpot\\r HP PageLift\\r HP Recovery Manager\\r HP Support Assistant\\r HP ePrint\\r CyberLink PowerDVD\\r CyberLink Power2Go\\r Buy Office
Recovery operating system	Windows 8.1 Pro
Operating system installed	Windows 7 Professional
Cabling technology	10/100/1000Base-T(X)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
HDMI ports quantity	0
PS/2 ports quantity	2
USB 2.0 ports quantity	6
Chassis type	Micro Tower
Product color	Black
Country of origin	China
Audio system	Realtek ALC221
Product type	PC
Motherboard chipset	Intel® H87
Scalability	1S
Processor code	SR149
Processor ARK ID	75122
Intel TSX-NI version	0.00
Processor package size	37.5 x 37.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Thermal solution specification	PCG 2013D
Intel Identity Protection Technology version	1.00
Power supply	300 W
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth	402 mm
Width	182.8 mm
Height	357 mm
Weight	7140 g