HP t5325 Troubleshooting Guide: HP t5325 Thin Clients - Page 22

Troubleshooting Flowcharts, Power-On Troubleshooting continued

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Table 4-2 Power-On Troubleshooting (continued) 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. Video does not display. 1. Verify that the monitor brightness is set to a readable level. 2. Verify the monitor is good by connecting it to a known working computer and ensure its front LED turns green (assuming the monitor is Energy Star compliant). If the monitor is defective, replace it with a working monitor and repeat testing. 3. Re-image the thin client unit and power on the monitor again. 4. Test the thin client unit on a known working monitor. If the monitor does not display video, replace the thin client unit. Troubleshooting Flowcharts NOTE: uBoot does not display any error messages. Beep codes are listed in Beep Codes on page 14. 16 Chapter 4 Diagnostics and Troubleshooting

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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.
Video does not display.
1.
Verify that the monitor brightness is set to a readable level.
2.
Verify the monitor is good by connecting it to a known working computer
and ensure its front LED turns green (assuming the monitor is Energy Star
compliant). If the monitor is defective, replace it with a working monitor
and repeat testing.
3.
Re-image the thin client unit and power on the monitor again.
4.
Test the thin client unit on a known working monitor. If the monitor does
not display video, replace the thin client unit.
Troubleshooting Flowcharts
NOTE:
uBoot does not display any error messages. Beep codes are listed in
Beep Codes
on page
14
.
Table 4-2
Power-On Troubleshooting (continued)
16
Chapter 4
Diagnostics and Troubleshooting