HP Z800 Service Manual

Troubleshooting scenarios and solutions
This section presents an extensive overview of various troubleshooting scenarios and possible solutions
for a Windows-based workstation.
NOTE: For Linux troubleshooting information, refer to the HP Workstations for Linux User Manual at
http://www.hp.com/support/linux_user_manual.
Solving minor problems
Table 6-1 Minor problems
Problem Cause Possible Solution
Workstation appears frozen
and does not shut down when
the power button is pressed.
Software control of the power
switch is not functional.
1.
Press and hold the power button for at least four
seconds until the workstation shuts down.
2.
Disconnect the electrical plug from the outlet.
3.
Restart the workstation.
Workstation seems to be
frozen.
Program in use has stopped
responding to commands.
1.
If possible, use the Windows Task Manager to isolate
and terminate the offending process.
2.
Attempt the normal Windows shutdown procedure.
3.
Restart the workstation using the power button.
Workstation date and time
display is incorrect.
Real-time clock (RTC) battery
might need replacement.
1.
Reset the date and time in the Control Panel.
2.
Replace the RTC battery.
Workstation appears to pause
periodically.
Network driver is loaded and no
network connection is
established.
Establish a network connection, or use the Computer Setup
(F10) Utility or the Microsoft Windows Device Manager to
disable the network controller.
Cursor does not move using
the arrow keys on the keypad.
The Num Lock key might be on. Press Num Lock. The Num Lock key can be disabled or
enabled in the Computer Setup (F10) Utility.
Poor performance is
experienced.
Processor is hot.
1.
Verify that airflow to the workstation is not blocked.
2.
Verify that chassis fans are connected and working
properly. Some fans operate only when needed.
3.
Verify that the processor heatsink is installed properly.
Hard drive is full. Transfer data from the hard drive to create more space on
the hard drive.
ENWW
Troubleshooting scenarios and solutions
223

HP Z800 Specifications

General

Processor cache	8 MB
Processor model	E5560
Processor frequency	2.8 GHz
Processor cache type	L2
Processor manufacturer	Intel
Processor front side bus	1333 MHz
Number of processors installed	2
Audio system	Integrated High Definition Realtek ALC262 Audio, optional Creative X-Fi Titanium PCIe Audio Card, optional HP Thin USB Powered Speakers
Product type	Workstation
Motherboard chipset	Intel® 5520
ECC	Yes
Maximum internal memory	192 GB
HDD speed	15000 RPM
HDD capacity	446 GB
HDD interface	Serial Attached SCSI (SAS)
Optical drive type	DVD Super Multi
Card reader integrated	No
I/O ports	Front: 3 USB 2.0, 1 IEEE 1394a, 1 microphone in, 1 headphone out; Rear: 6 USB 2.0, 1 IEEE 1394a, 1 audio in, 1 audio out, 1 microphone in, 2 PS/2, 2 RJ-45 to integrated Gigabit LAN, 1 serial; Internal: 3 USB 2.0
Headphone outputs	1
USB 2.0 ports quantity	9
Parallel ports quantity	0
Power supply	1110 W
Power consumption (typical)	240 W
Non-operating altitude	9100 m
Storage temperature (T-T)	-40 - 60 °C
Operating temperature (T-T)	5 - 35 °C
Storage relative humidity (H-H)	8 - 90 %
Operating relative humidity (H-H)	8 - 85 %
Display	HP LP1965 19-inch LCD Monitor, HP LP2065 20-inch LCD Monitor, HP LP2275w 22-inch Widescreen LCD Monitor, HP LP2475w 24-inch Widescreen LCD Monitor, HP DreamColor LP2480zx Professional Display (24-inch widescreen), HP LP3065 30-inch Widescreen LCD Monitor (all sold separately)
Drive bays	3 external 5.25\
Graphics card	-
Keyboard type	HP PS/2 Standard Keyboard
Expansion slots	1 PCI, 1 PCI Express Gen1 (x8 mechanically, x4 electrically), 1 PCI Express Gen2 (x8 mechanically, x4 electrically), 2 PCI Express Gen2 (x16 mechanically, x8 electrically), 2 PCI Express Gen2 x16
Pointing device	HP USB Laser Scroll Mouse
Power requirements	1110 watts wide-ranging, active Power Factor Correction, direct connection Power Supplies
Storage drive type	300 GB 15000 rpm SAS 146 GB 15000 rpm SAS SAS 146 GB + 300 GB
HDD controller type	SATA (10000 rpm) SATA (7200 rpm) SAS (15000 rpm)
Video card features	No integrated Graphic Card
Maximum HDD capacity	450 GB
Storage drive controller	Integrated 6 channel SATA 3 Gb/s controller with RAID (0, 1, 5 or 10) capability, integrated 8 channel SAS controller with RAID (0, 1 or 10) capability, optional LSI 8888 ELP 8-port SAS HW with RAID (0, 1, 5 or 10) capability
Minimum storage drive space	146 GB
Operating system installed	Windows Vista Business
Compatible operating systems	HP Installer Kit for Linux
Chassis type	Mini Tower
Country of origin	China

Weight and Dimensions

Depth	526.5 mm
Width	203.5 mm
Height	445.1 mm
Weight	19500 g