Table 4-4
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.
Diskless (No-Flash) Unit Troubleshooting
This section is only for those units that do not have ATA Flash capability. Because there is no ATA
Flash in this model the boot priority sequence is:
●
USB device
●
PXE
To troubleshoot the unit:
1.
When the unit boots, the monitor should display the following information:
Table 4-5
Diskless Unit Troubleshooting
Item
Information
Action
MAC Address
NIC portion of the system board is
OK
If no MAC Address, the system board is at fault.
Contact the Call Center for service.
GUID
General system board information
If no GUID information, the system board is at fault and
should be replaced.
Client ID
Information from server
If no Client ID information there is no network
connection. This may be caused by a bad cable, down
server, or a bad system board. Contact the Call Center
for service for the bad system board.
MASK
Information from server
If no MASK information there is no network connection.
This may be caused by a bad cable, down server, or a
bad system board. Contact the Call Center for service
for the bad system board.
DHCP IP
Information from server
If no DHCP IP information there is no network
connection. This may be caused by a bad cable, down
server, or a bad system board. Contact the Call Center
for service for the bad system board.
If you are running in an MS RIS PXE environment go to step 2.
30
Chapter 4 Diagnostics and Troubleshooting
Summary of Contents for t505
Page 1: ...Troubleshooting Guide HP t505 Flexible Thin Client ...
Page 22: ...Table 2 3 Configuring Serial Port Power continued 16 Chapter 2 Hardware Changes ...
Page 23: ...Table 2 3 Configuring Serial Port Power continued Configuring Powered Serial Ports 17 ...
Page 24: ...Table 2 3 Configuring Serial Port Power continued 18 Chapter 2 Hardware Changes ...
Page 25: ...Table 2 3 Configuring Serial Port Power continued Configuring Powered Serial Ports 19 ...
Page 26: ...Table 2 3 Configuring Serial Port Power continued 20 Chapter 2 Hardware Changes ...
Page 40: ...No Power Part 1 34 Chapter 4 Diagnostics and Troubleshooting ...
Page 41: ...No Power Part 2 Troubleshooting 35 ...
Page 42: ...No Power Part 3 36 Chapter 4 Diagnostics and Troubleshooting ...
Page 43: ...No Video Part 1 Troubleshooting 37 ...
Page 44: ...No Video Part 2 38 Chapter 4 Diagnostics and Troubleshooting ...
Page 45: ...No Video Part 3 Troubleshooting 39 ...
Page 48: ...NO OS Loading 42 Chapter 4 Diagnostics and Troubleshooting ...
Page 49: ...OS Not Loading from Flash Troubleshooting 43 ...
Page 54: ...Booting in Continuous Loop 48 Chapter 4 Diagnostics and Troubleshooting ...
Page 65: ...Select Image to Update 59 ...