HP ProDesk 490 G1 User Manual

Solving display problems
If you encounter display problems, see the documentation that came with the monitor and to the
common causes and solutions listed in the following table.
Blank screen (no video).
Cause Solution
Monitor is not turned on and the monitor light is not on. Turn on the monitor and check that the monitor light is on.
Bad monitor. Try a different monitor.
The cable connections are not correct. Check the cable connection from the monitor to the computer
and to the electrical outlet.
You may have a screen blanking utility installed or energy
saver features are enabled.
Press any key or click the mouse button and type your
password (if set).
System ROM is corrupted; system is running in Boot Block
Emergency Recovery Mode (indicated by eight beeps).
Reflash the system ROM with the latest BIOS image.
You are using a fixed-sync monitor and it will not sync at the
resolution chosen.
Be sure that the monitor can accept the same horizontal scan
rate as the resolution chosen.
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.
Monitor cable is plugged into the wrong connector. Systems may have a monitor connection on both the
motherboard or an add-in card. Try moving the monitor
connection to a different connector on the back of the
computer
Monitor settings in the computer are not compatible with the
monitor.
1. In Control Panel, select Category from the View by
list, then under Appearance and Personalization,
select Adjust screen resolution.
To access Control Panel in Windows 7, click Start, and
then select Control Panel.
To access Control Panel in Windows 8, from the Start
screen, type c, and then select Control Panel from the
list of applications.
2. Expand the Resolution box, and then use the sliding
control to reset the resolution.
Monitor is configured to use an input that is not active. Use the monitor's on-screen menu controls to select the input
that is being driven by the system. Refer to the monitor's user
documentation for more information on the on-screen controls
and settings.
164 Chapter 8 Troubleshooting without diagnostics

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