Troubleshooting By Symptom; Intermittent Problems - Lenovo ThinkEdge SE350 V2 User Manual

If the Ethernet controller still cannot connect to the network but the hardware appears to be working, the
network administrator must investigate other possible causes of the error.

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 the application that is managing the server and follow the suggested actions to
resolve any event codes.
• 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
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

Intermittent problems

Use this information to solve intermittent problems.
• "Intermittent external device problems" on page 196
• "Intermittent KVM problems" on page 196
• "Intermittent unexpected reboots" on page 197
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
➙ 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.
ThinkEdge SE350 V2 User Guide
196
"Event logs" on page
"Contacting Support" on page
https://pubs.lenovo.com/lxpm-overview/
185).
213).
.) Then, click System Settings