HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 117

Solving network problems

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Table 5-11 Hardware installation problems (continued) Problem Cause Solution Cables of new external device Ensure that all cables are properly and securely connected are loose, or power cables are and that pins in the cable or connector are not bent down. unplugged. Power switch of new external device is not turned on. Power off the workstation, power on the external device, then power on the workstation to integrate the device with the workstation system. When the system advised you of changes to the configuration, you did not accept them. Reboot the workstation and follow the instructions for accepting the changes. A PnP board might not automatically configure when added if the default configuration conflicts with other devices. Use Device Manager to deselect the automatic settings for the board and choose a basic configuration that does not cause a resource conflict. You can also use the Computer Setup (F10) Utility to reconfigure or disable devices to resolve the resource conflict. Device hardware is not properly jumpered or otherwise configured. Read the device-specific configuration information and check for incorrect settings or conflicts with other devices already installed in the system. Workstation will not start. Incorrect memory modules were used in the upgrade, or memory modules were installed in the incorrect location. 1. Review the documentation that came with the system to determine if you are using the correct memory modules and to verify the proper installation. 2. Observe the beeps and LEDs on the front of the workstation. Refer to POST error messages on page 119 to determine possible causes. PCI Express power cable might be plugged into the wrong connector on the system board. Connect the auxiliary PCI Express power cable to the PCI Express card. Power LED flashes red 5 times, once every second, followed by a 2-second pause, and the workstation beeps 5 times. Memory is installed incorrectly 1. or is bad. 2. 3. Reseat DIMMs. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Power LED flashes red 6 times, once every second, followed by a 2-second pause, and the workstation beeps 6 times. Video card is not seated properly or is bad, or system board is bad. For systems with a graphic card: 1. Reseat the graphics card. 2. Replace the graphics card. 3. Replace the system board. Solving network problems These guidelines do not discuss the process of debugging the network cabling. Table 5-12 Network problems Problem Cause Solution Wake-on-LAN feature is not functioning. Wake-on-LAN is not enabled. Use the Network control application to enable Wake-onLAN. ENWW Customer self help 109

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Problem
Cause
Solution
Cables of new external device
are loose, or power cables are
unplugged.
Ensure that all cables are properly and securely connected
and that pins in the cable or connector are not bent down.
Power switch of new external
device is not turned on.
Power off the workstation, power on the external device,
then power on the workstation to integrate the device
with the workstation system.
When the system advised you
of changes to the
configuration, you did not
accept them.
Reboot the workstation and follow the instructions for
accepting the changes.
A PnP board might not
automatically configure when
added if the default
configuration conflicts with
other devices.
Use Device Manager to deselect the automatic settings for
the board and choose a basic configuration that does not
cause a resource conflict. You can also use the Computer
Setup (F10) Utility to reconfigure or disable devices to
resolve the resource conflict.
Device hardware is not
properly jumpered or
otherwise configured.
Read the device-specific configuration information and
check for incorrect settings or conflicts with other devices
already installed in the system.
Workstation will not start.
Incorrect memory modules
were used in the upgrade, or
memory modules were
installed in the incorrect
location.
1.
Review the documentation that came with the system
to determine if you are using the correct memory
modules and to verify the proper installation.
2.
Observe the beeps and LEDs on the front of the
workstation. Refer to
POST error messages
on page
119
to determine possible causes.
PCI Express power cable
might be plugged into the
wrong connector on the
system board.
Connect the auxiliary PCI Express power cable to the PCI
Express card.
Power LED flashes red 5 times,
once every second, followed by a
2-second pause, and the
workstation beeps 5 times.
Memory is installed incorrectly
or is bad.
1.
Reseat DIMMs.
2.
Replace DIMMs one at a time to isolate the faulty
module.
3.
Replace third-party memory with HP memory.
Replace the system board.
Power LED flashes red 6 times,
once every second, followed by a
2-second pause, and the
workstation beeps 6 times.
Video card is not seated
properly or is bad, or system
board is bad.
For systems with a graphic card:
1.
Reseat the graphics card.
2.
Replace the graphics card.
3.
Replace the system board.
Solving network problems
These guidelines do not discuss the process of debugging the network cabling.
Table 5-12
Network problems
Problem
Cause
Solution
Wake-on-LAN feature
is not
functioning.
Wake-on-LAN is not enabled.
Use the Network control application to enable Wake-on-
LAN.
Table 5-11
Hardware installation problems (continued)
ENWW
Customer self help
109