HP 280 G3 User Manual

Sound does not come out of the speaker or headphones.
Cause Solution
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 >
Built-in Device Options.
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 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.
Solving audio problems 63

HP 280 G3 Specifications

General

Memory slots	2x DIMM
Internal memory	8 GB
Memory clock speed	2666 MHz
Internal memory type	DDR4-SDRAM
Maximum internal memory	32 GB
Tjunction	100 °C
Processor cache	9 MB
Processor cores	6
System bus rate	8 GT/s
Processor family	Intel® Core™ i5
Processor socket	LGA 1151 (Socket H4)
Processor frequency	3 GHz
Processor cache type	Smart Cache
Processor lithography	14 nm
Processor manufacturer	Intel
PCI Express slots version	3.0
Processor boost frequency	4.4 GHz
Processor operating modes	64-bit
PCI Express configurations	1x8+2x4, 1x16, 2x8
Thermal Design Power (TDP)	65 W
Number of processors installed	1
Maximum number of PCI Express lanes	16
Memory bandwidth supported by processor (max)	41.6 GB/s
Maximum internal memory supported by processor	128 GB
HDD speed	7200 RPM
HDD interface	SATA
Storage media	HDD
Total HDDs capacity	1000 GB
Card reader integrated	-
On-board graphics card	Yes
On-board graphics card ID	0x3E92
On-board graphics card model	Intel® UHD Graphics 630
Maximum on-board graphics card memory	64 GB
On-board graphics card OpenGL version	4.5
On-board graphics card base frequency	350 MHz
On-board graphics card DirectX version	12.0
On-board graphics card dynamic frequency (max)	1100 MHz
Number of displays supported (on-board graphics)	3
Microphone in	No
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
Chassis type	SFF
Product color	Black
Placement supported	Horizontal/Vertical
Product type	PC
Motherboard chipset	Intel® H370
HP segment	Business
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Power supply	180 W
Scalability	1S
Processor ARK ID	134895
Processor package size	37.5 x 37.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Thermal solution specification	PCG 2015C

Weight and Dimensions

Depth	296 mm
Width	95 mm
Height	270 mm
Weight	4200 g