HP ProDesk 490 G2 User Manual

Solving USB flash drive problems
If you encounter USB flash drive problems, common causes and solutions are listed in the following table.
USB flash drive is not seen as a drive letter in Windows.
Cause Solution
The drive letter after the last physical drive is not available. Change the default drive letter for the flash drive in Windows.
USB flash drive not found (identified).
Cause Solution
The device is attached to a USB port that has been hidden in
Computer Setup.
Run the Computer Setup utility and enable USB ports in
Security > USB Security.
The device was not properly seated before power-up. Ensure the device is fully inserted into the USB port before
applying power to the system
System will not boot from USB flash drive.
Cause Solution
Boot order is not correct. Run the Computer Setup utility and change boot sequence in
Storage > Boot Order.
Removable Media Boot is disabled in the Computer Setup utility. Run the Computer Setup utility and enable booting to removable
media in Storage > Storage Options. Ensure USB is enabled in
Storage > Boot Order.
The computer boots to DOS after making a bootable flash drive.
Cause Solution
Flash drive is bootable. Install the flash drive only after the operating system boots.
Flash drive is defective. Try a different flash drive.
Solving front panel component problems
If you encounter problems with devices connected to the front panel, refer to the common causes and
solutions listed in the following table.
A USB device, headphone, or microphone is not recognized by the computer.
Cause Solution
Device is not properly connected. 1. Turn off the computer.
2. Reconnect the device to the front of the computer and
restart the computer.
The device does not have power. If the USB device requires AC power, be sure one end is connected
to the device and one end is connected to a live outlet.
112 Chapter 7 Troubleshooting without diagnostics

HP ProDesk 490 G2 Specifications

General

Tcase	72 °C
Bus type	DMI2
Stepping	C0
Processor cache	3 MB
Processor cores	2
System bus rate	5 GT/s
Processor family	Intel® Core™ i3
Processor series	Intel Core i3-4100 Desktop series
Processor socket	LGA 1150 (Socket H3)
Processor threads	4
Processor codename	Haswell
Number of QPI links	0
Processor frequency	3.7 GHz
Processor cache type	L3
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	3.0
Processor operating modes	32-bit, 64-bit
ECC supported by processor	Yes
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	54 W
Number of processors installed	1
Maximum number of PCI Express lanes	16
Memory types supported by processor	DDR3-SDRAM, DDR3L-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
On-board graphics card ID	41
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 4400
On-board graphics card family	Intel® HD Graphics
Maximum on-board graphics card memory	1.74 GB
On-board graphics card OpenGL version	4.3
On-board graphics card base frequency	350 MHz
On-board graphics card DirectX version	11.1
On-board graphics card dynamic frequency (max)	1150 MHz
Number of displays supported (on-board graphics)	3
Memory slots	4x DIMM
Internal memory	4 GB
Memory channels	Dual-channel
Memory clock speed	1600 MHz
Internal memory type	DDR3-SDRAM
Memory layout (slots x size)	1 x 4 GB
HDD speed	7200 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD±RW
Total storage capacity	500 GB
Intel segment tagging	Enterprise, Small Business
Operating system installed	FreeDOS
Operating system architecture	64-bit
Wi-Fi	No
Cabling technology	10/100/1000Base-T(X)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
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.
Chassis type	Micro Tower
Product color	Black
Country of origin	China
Placement supported	Vertical
Product type	PC
Motherboard chipset	Intel® H97
Power supply	180 W
Power supply input voltage	100 - 240 V
Power supply input frequency	50 - 60 Hz
Operating temperature (T-T)	10 - 35 °C
Operating relative humidity (H-H)	10 - 90 %
Sustainability certificates	ENERGY STAR
Scalability	1S
Processor code	SR1PL
Processor ARK ID	77490
Processor package size	37.5 x 37.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Thermal solution specification	PCG 2013C
Intel Secure Key Technology version	1.00
Intel Stable Image Platform Program (SIPP) version	0.00

Weight and Dimensions

Depth	358.8 mm
Width	165 mm
Height	355 mm
Weight	6500 g