HP Z400 User Manual

Table 6-1 Minor problems (continued)
Problem Cause Possible Solution
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.
Workstation powered off
automatically and the Power
LED flashes red 2 times (once
every second), followed by a
2-second pause, and then
two simultaneous beeps
sounded.
Processor thermal
protection is activated.
A fan might be blocked
or not turning.
OR
The processor heatsink is
not properly attached to
the processor.
CAUTION: Internal components might be powered even when the
workstation is off. To prevent damage, disconnect the workstation
power cord before you remove a component.
1. Verify that the workstation air vents are not blocked.
2. Open the access panel and press the workstation power button.
3. Verify that the system fan is running.
4. Verify that the processor heatsink fan spins. If the fan is not
spinning, verify that the heatsink fan cable is plugged into the
system board connector and that the heatsink is properly seated.
5. Replace the processor heatsink.
System does not power on,
and the LEDs on the front of
the workstation are not
flashing.
System cannot power on. Determine if the problem is caused by a faulty device or a problem with
the power supply. Press and hold the power button for less than four
seconds while observing the hard drive LED:
●
If the hard drive LED turns green, then perform the Diagnose
faulty device procedure described below.
●
If the hard drive LED does not illuminate, then perform the
Diagnose power supply problem procedure described
below.
174 Chapter 6 Diagnostics and troubleshooting ENWW

HP Z400 Specifications

General

Bus type	QPI
Processor cache	4 MB
Processor cores	2
Processor model	W3503
System bus rate	4.8 GT/s
Processor socket	-
Processor frequency	2.4 GHz
Processor cache type	Smart Cache
Processor lithography	45 nm
Processor manufacturer	Intel
PCI Express slots version	2.0
Processor operating modes	64-bit
ECC supported by processor	Yes
Thermal Design Power (TDP)	130 W
Number of processors installed	1
Memory types supported by processor	DDR3-SDRAM
Memory clock speeds supported by processor	800, 1066 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s
Maximum internal memory supported by processor	24 GB
Audio system	Realtek ALC262
Product type	Workstation
Motherboard chipset	Intel® X58 Express
Memory slots	6x DIMM
Internal memory	4 GB
Memory channels	Triple-channel
Memory clock speed	1066 MHz
Memory layout (slots x size)	- GB
Graphics card	Quadro 600
Networking features	Gigabit Ethernet (10/100/1000)
Graphics card family	NVIDIA
HDD speed	- RPM
RAID levels	0, 1, 5, 10
HDD capacity	500 GB
HDD interface	SATA II
Storage media	HDD
Display included	No
USB 2.0 ports quantity	8
Parallel ports quantity	0
Chassis type	Minitower
Country of origin	China
Number of 5.25\" bays	3
Operating system installed	Windows 7 Professional
Operating system architecture	32-bit
Power supply	475 W
Processor ARK ID	40800
Processor package size	42.5 x 45 mm
Supported instruction sets	SSE4.2

Weight and Dimensions

Depth	455.3 mm
Width	167.9 mm
Height	450.2 mm
Weight	13500 g