• If you are managing the server from the Lenovo XClarity Administrator, begin with the Lenovo XClarity
Administrator event log.
• If you are using some other management application, begin with the Lenovo XClarity Controller event
log.
For more information about event logs (see “Event logs” on page 139).
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 177).
Intermittent problems
Use this information to solve intermittent problems.
• “Intermittent external device problems” on page 161
• “Intermittent KVM problems” on page 161
• “Intermittent unexpected reboots” on page 162
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 node. 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 node.
3. Test the console breakout cable on a working node 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:
Make sure that all cables and the console breakout cable are properly connected and secure.
Chapter 3. Problem determination 161