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Troubleshooting Your System
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Troubleshooting System Startup Failure
If your appliance halts during startup prior to video imaging, especially after
installing a MOS release or reconfiguring your appliance’s hardware, check for
invalid memory configurations, which can cause the appliance to halt at startup
without any video output (
Troubleshooting External Connections
Ensure that all external cables are securely attached to the external connectors on
your appliance before troubleshooting any external devices for the front- and back-
panel connectors on your appliance (
Troubleshooting the Video Subsystem
To troubleshoot the video subsystem:
1.
Check the appliance and power connections to the monitor.
2.
Check the video interface cabling from the appliance to the monitor.
3.
If two monitors are attached to the appliance, disconnect one monitor. The
appliance supports only one monitor attached to either the front or back video
connector.
4.
Try using a monitor that is known to be working.
5.
Run the appropriate online diagnostic test.
If the tests run successfully, the problem is not related to video hardware.
Troubleshooting a USB Device
To troubleshoot a USB device:
1.
Use the following steps to troubleshoot a USB keyboard. For other USB devices,
go to
.
a.
Disconnect the keyboard cable from the appliance briefly and reconnect it.
b.
Connect the keyboard to the USB port(s) on the opposite side of the
appliance.
If the problem is resolved, restart the appliance, enter the System BIOS, and
check if the nonfunctioning USB ports are enabled.
c.
Replace the keyboard with another working keyboard.
If the problem is resolved, replace the faulty keyboard.
If the problem is not resolved, proceed to the next step to begin
troubleshooting the other USB devices attached to the appliance.
2.
Power off all attached USB devices and disconnect them from the appliance.
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