HP Z1 Maintenance And Service Guide

Table 4-3 Internal LCD display problems (continued)
Problem Cause Solution
Blurry video or
requested resolution
cannot be set.
Correct video drivers
were not loaded after
graphics controller
upgrade.
Install the video drivers included in the upgrade kit, or download and
install the latest drivers for your graphics card from
http://welcome.hp.com/country/us/en/support.html.
The internal LCD panel
cannot display
requested resolution.
1. Change the resolution to either 2560 x 1440 or 1280 x 720.
2. Update the graphics driver to the latest version available for your
graphics controller.
The graphics driver is
not working properly.
1. Boot into the OS and uninstall the graphics driver.
2. Restart the computer.
3. Install the latest graphics driver for your graphics controller.
The picture is broken
up, rolls, jitters, or
flashes.
The internal LCD panel
connections to the
motherboard might be
faulty or the panel
might be incorrectly
adjusted.
Open the computer.
1. Verify the LCD display cable connects J16 on the system board to
the display connector on the internal LCD panel.
2. Verify that the LCD Ssync/backlight cable connects P2 on the
system board to the sync connector and LED power connector on
the internal LCD panel.
The graphics driver is
not working properly.
1. Boot into the OS and uninstall the graphics driver.
2. Reboot.
3. Install the latest graphics driver for your graphics controller.
Some typed symbols do
not appear correctly.
The font you are using
does not support that
symbol.
Use the Character Map to locate and select the appropriate symbol.
Select Start > All Programs > Accessories > System Tools >
Character Map. You can copy the symbol from the Character Map
into a document.
The LCD panel
resolution is not
properly set.
Change the panel resolution in the Windows Control Panel >
Screen Resolution menu or through the control panel for the
graphics controller (Intel or nVidia).
The graphics driver
does is not working
properly or does not
support the symbol set
with that resolution.
Try either solution:
●
Change the panel resolution in the Windows Control Panel >
Screen Resolution menu or through the control panel for the
graphics controller (Intel or nVidia).
●
Install the latest graphics driver:
1. Boot into the OS and uninstall the graphics driver.
2. Restart the computer.
3. Install the latest graphics driver for your graphics controller.
68 Chapter 4 Diagnostics and troubleshooting

HP Z1 Specifications

General

Tcase	72.6 °C
Bus type	DMI
Stepping	D2
FSB Parity	No
Processor cache	8 MB
Processor cores	4
Processor model	E3-1245
System bus rate	5 GT/s
Processor series	Intel Xeon E3-1200
Processor socket	LGA 1155 (Socket H2)
Processor threads	8
Processor codename	Sandy Bridge
Processor frequency	3.3 GHz
Processor cache type	Smart Cache
Processor lithography	32 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3.7 GHz
Processor operating modes	64-bit
ECC supported by processor	Yes
Thermal Design Power (TDP)	95 W
Number of processors installed	1
CPU multiplier (bus/core ratio)	33
Maximum number of PCI Express lanes	20
Memory types supported by processor	DDR3-SDRAM
Memory clock speeds supported by processor	1066, 1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s
Maximum internal memory supported by processor	32 GB
Audio system	HD
Product type	Workstation
Motherboard chipset	Intel® C206
Memory slots	4x DIMM
Internal memory	4 GB
Memory channels	Dual-channel
Memory clock speed	1600 MHz
Memory layout (slots x size)	- GB
Resolution	2560 x 1440 pixels
Graphics card	Quadro 500M
Networking features	Gigabit Ethernet (10/100/1000)
Wireless technology	802.11 a/g/n
Graphics card family	NVIDIA
Maximum storage capacity	2 TB
HDD speed	7200 RPM
RAID levels	0, 1
HDD capacity	1000 GB
HDD interface	SATA
Optical drive type	DVD Super Multi
Maximum graphics card memory	1.024 GB
On-board graphics card model	Intel® HD Graphics P3000
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	850 MHz
On-board graphics card dynamic frequency (max)	1350 MHz
Number of displays supported (on-board graphics)	2
Display diagonal	27 \
Display number of colors	1.073 billion colors
Modem (RJ-11) ports	0
USB 2.0 ports quantity	7
Bundled software	Roxio Easy Media Creator; Intervideo WinDVD
Operating system installed	Windows 7 Professional
Power supply	400 W
Power supply input voltage	100 - 240 V
Power supply input frequency	50 - 60 Hz
Certification	Energy Star
Product color	Black
Country of origin	China
Processor code	SR00L
Processor ARK ID	52274
Processor package size	37.5 x 37.5 mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00

Weight and Dimensions

Depth	419.1 mm
Width	660.4 mm
Height	584.2 mm
Weight	213.2 g