HP 280 G3 User Manual

6 Troubleshooting without diagnostics
This chapter provides information on how to identify and correct minor problems, such as USB devices, hard
drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer
to the tables in this chapter for probable causes and recommended solutions.
NOTE: For information on specic error messages that may appear on the screen during Power-On Self-Test
(POST) at startup, refer to POST error messages and diagnostic front panel LEDs and audible codes
on page 76.
Safety and comfort
WARNING! Misuse of the computer or failure to establish a safe and comfortable work environment may
result in discomfort or serious injury. Refer to the Safety & Comfort Guide at http://www.hp.com/ergo for
more information on choosing a workspace and creating a safe and comfortable work environment. For more
information, refer to the Safety & Regulatory Information guide.
Before you call for technical support
If you are having problems with the computer, try the appropriate solutions below to try to isolate the exact
problem before calling for technical support.
●
Run the HP diagnostic tool.
●
Run the hard drive self-test in Computer Setup. Refer to Computer Setup (F10) Utility on page 40 for
more information.
●
Check the Power LED on the front of the computer to see if it is ashing red. The ashing lights are error
codes that will help you diagnose the problem. Refer to POST error messages and diagnostic front panel
LEDs and audible codes on page 76 for more information.
●
If the screen is blank, plug the monitor into a dierent video port on the computer if one is available. Or,
replace the monitor with a monitor that you know is functioning properly.
●
If you are working on a network, plug another computer with a dierent cable into the network
connection. There may be a problem with the network plug or cable.
●
If you recently added new hardware, remove the hardware and see if the computer functions properly.
●
If you recently installed new software, uninstall the software and see if the computer functions properly.
●
Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. When booting
the operating system, use “Last Known Conguration.”
●
Refer to the comprehensive online technical support at http://www.hp.com/support.
●
Refer to Helpful hints on page 49 in this guide.
To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self-
solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat
feature. Access HP Instant Support Professional Edition at: http://www.hp.com/go/ispe.
Access the Business Support Center (BSC) at http://www.hp.com/go/bizsupport for the latest online support
information, software and drivers, proactive notication, and worldwide community of peers and HP experts.
48 Chapter 6 Troubleshooting without diagnostics

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