HP Z240 User Manual

Solving display problems
These suggestions apply to monitors connected to desktop and tower congurations, and to external
monitors connected to all-in-one congurations.
Problem Cause Solution
Blank screen (no video). The cable connections are not
correct.
Verify the cable connections from the monitor to the
computer and to a working electrical outlet.
The monitor is o. Turn the monitor on (LED is on). You might need to refer to the
monitor manual for an explanation of LED signals.
Screen blanking utility installed
or energy saver features
enabled.
Press a key or the mouse button and, if set, enter your
password.
System ROM is bad; system is
running in FailSafe Boot Block
mode (indicated by 8 beeps).
Reash the ROM using a SoftPaq.
Fixed-sync monitor does not
sync at the resolution specied.
Verify that the monitor can accept the same horizontal scan
rate as the resolution specied.
Computer is in Hibernate mode. Press the power button to resume from Hibernate mode.
Workstation monitor settings
are not compatible with the
monitor.
1. When you see Press f8 in the bottom-right corner of the
screen, restart the computer and press f8 during
startup.
2. Using the keyboard arrow keys, select Enable VGA
Mode, and then press enter.
3. For Windows, double-click the Display icon in the
Control Panel and then select the Settings tab.
4. Use the sliding control to reset the resolution.
The display works properly during
the POST but goes blank when the
operating system starts.
The display settings in the
operating system are
incompatible with your graphics
card and monitor.
1. For Windows, restart your computer in VGA mode.
2. After the operating system starts, change the display
settings to match those supported by your graphics card
and monitor.
3. Refer to your operating system and graphics card
documentation for information about changing display
settings.
Power LED ashes red 6 times (once
every second), followed by a two-
second pause, and then the
computer beeps 6 times.
Pre-video graphics error. For systems with a graphics card:
1. Reseat the graphics card.
2. If the card requires external power, make sure the power
cable is properly connected.
3. Replace the graphics card.
4. Replace the system board.
For systems with no graphics card installed, the CPU may have
no integrated graphics capability.
Monitor does not function when used
with Energy Saver features.
Monitor without Energy Saver
capabilities is being used with
Energy Saver features enabled.
Disable the monitor Energy Saver feature.
Dim characters The brightness and contrast
controls are not set properly.
Adjust the monitor brightness and contrast controls.
Troubleshooting scenarios and solutions 69

HP Z240 Specifications

General

Chassis type	Tower
Product color	Black
Country of origin	China
Water cooling system	No
Product type	Workstation
Motherboard chipset	Intel® C236
Memory slots	4x DIMM
Internal memory	8 GB
Memory channels	Dual-channel
Memory clock speed	2133 MHz
Internal memory type	DDR4-SDRAM
Maximum internal memory	64 GB
Memory layout (slots x size)	2 x 4 GB
HDD speed	7200 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi
Card reader integrated	-
Total storage capacity	1000 GB
Number of HDDs installed	1
On-board graphics card ID	0x191D
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics P530
Graphics card Open GL support	Yes
On-board graphics card family	Intel® HD Graphics
Maximum on-board graphics card memory	1 GB
On-board graphics card OpenGL version	4.4
On-board graphics card base frequency	400 MHz
On-board graphics card DirectX version	12.0
On-board graphics card dynamic frequency (max)	1150 MHz
Number of displays supported (on-board graphics)	3
Power supply	400 W
Recovery operating system	Windows 10 Pro
Operating system installed	Windows 7 Professional
Operating system architecture	64-bit
Ethernet LAN data rates	10, 100, 1000 Mbit/s
USB 2.0 ports quantity	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	6
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0
Tcase	- °C
Bus type	DMI3
Stepping	R0
Processor cache	8 MB
Processor model	E3-1245V5
System bus rate	8 GT/s
Processor series	Intel Xeon E3-1200 v5
Processor socket	LGA 1151 (Socket H4)
Processor threads	8
Processor codename	Skylake
Processor frequency	3.5 GHz
Processor cache type	Smart Cache
Configurable TDP-down	- W
Processor lithography	14 nm
Processor manufacturer	Intel
PCI Express slots version	3.0
Processor boost frequency	3.9 GHz
PCI Express configurations	1x16, 1x8+2x4, 2x8
Thermal Design Power (TDP)	80 W
Maximum number of PCI Express lanes	16
Memory types supported by processor	DDR3L-SDRAM, DDR4-SDRAM
Memory voltage supported by processor	1.35 V
Memory clock speeds supported by processor	1333, 1600, 1866, 2133 MHz
Memory bandwidth supported by processor (max)	34.1 GB/s
Scalability	1S
Processor ARK ID	88173
Processor package size	37.5 x 37.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Intel Secure Key Technology version	1.00

Weight and Dimensions

Depth	442 mm
Width	170 mm
Height	399 mm
Weight	8600 g