HP t5525 Troubleshooting Guide - HP Compaq t5000 Series Thin Client, 8th Editi - Page 57

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Diagnostics and Troubleshooting Power-On Troubleshooting (Continued) Issue Procedures No link or activity on the network RJ-45 LEDs or the LEDs do not illuminate blinking green after powering on the thin client unit. (The network LEDs are located inside the RJ-45 connector on the top, rear panel of the thin client. Indicator lights are visible when the connector is installed.) 1. Verify that the network is not down. 2. Make sure the RJ-45 cable is good by installing the RJ-45 cable onto a known working device-if a network signal is detected then the cable is good. 3. Verify the power supply is good by replacing the power cable to the unit with a known working power supply cable and testing it. 4. If network LED's still do not light and you know the power supply is good, then reimage the unit. 5. If network LED's still do not light, run the IP configuration procedure on page 4-23. 6. If network LED's still do not light, have the unit serviced. A newly connected unknown USB peripheral does not respond or USB peripherals connected prior to the newly connected USB peripheral will not complete their device actions. An unknown USB peripheral may be connected and disconnected to a running platform as long as you do not reboot the system. If problems occur, disconnect the unknown USB peripheral and reboot the platform. Troubleshooting Guide www.hp.com 4-27

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Troubleshooting Guide
www.hp.com
4-27
Diagnostics and Troubleshooting
No link or activity on the
network RJ-45 LEDs or the LEDs
do not illuminate blinking green
after powering on the thin client
unit. (The network LEDs are
located inside the RJ-45
connector on the top, rear panel
of the thin client. Indicator lights
are visible when the connector is
installed.)
1. Verify that the network is not
down.
2.
Make sure the RJ-45 cable is
good by installing the RJ-45
cable onto a known working
device—if a network signal
is detected then the cable is
good.
3. Verify the power supply is
good by replacing the
power cable to the unit with
a known working power
supply cable and testing it.
4. If network LED's still do not
light and you know the
power supply is good, then
reimage the unit.
5. If network LED’s still do not
light, run the IP configuration
procedure on page 4-23.
6. If network LED’s still do not
light, have the unit serviced.
A newly connected unknown
USB peripheral does not
respond or USB peripherals
connected prior to the newly
connected USB peripheral will
not complete their device
actions.
An unknown USB peripheral
may be connected and
disconnected to a running
platform as long as you do not
reboot the system. If problems
occur, disconnect the unknown
USB peripheral and reboot the
platform.
Power-On Troubleshooting
(Continued)
Issue
Procedures