Troubleshooting by symptom
Use this information to find solutions to problems that have identifiable symptoms.
To use the symptom-based troubleshooting information in this section, complete the following steps:
1. Check the event log of Lenovo XClarity Controller and follow the suggested actions to resolve any event
codes.
For more information about event logs, see
“Event logs” on page 475.
2. Review this section to find the symptoms that you are experiencing and follow the suggested actions to
resolve the issue.
3. If the problem persists, contact support (see
“Contacting Support” on page 521).
Intermittent problems
Use this information to solve intermittent problems.
•
“Intermittent external device problems” on page 499
• “Intermittent KVM problems” on page 499
• “Intermittent unexpected reboots” on page 500
Intermittent external device problems
Complete the following steps until the problem is solved.
1. Update the UEFI and XCC firmware to the latest versions.
2. Make sure that the correct device drivers are installed. See the manufacturer's website for
documentation.
3. For a USB device:
a. Make sure that the device is configured correctly.
Restart the server and press the key according to the on-screen instructions to display the LXPM
system setup interface. (For more information, see the “Startup” section in the LXPM documentation
compatible with your server at
https://pubs.lenovo.com/lxpm-overview/.) Then, click System Settings
➙ Devices and I/O Ports ➙ USB Configuration.
b. Connect the device to another port. If using a USB hub, remove the hub and connect the device
directly to the server. Make sure that the device is configured correctly for the port.
Intermittent KVM problems
Complete the following steps until the problem is solved.
Video problems:
1. Make sure that all cables and the console breakout cable are properly connected and secure.
2. Make sure that the monitor is working properly by testing it on another server.
3. Test the console breakout cable on a working server to ensure that it is operating properly. Replace the
console breakout cable if it is defective.
Keyboard problems:
Make sure that all cables and the console breakout cable are properly connected and secure.
Mouse problems:
Chapter 8. Problem determination 499
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