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• "Server is unresponsive (POST is complete and operating system is running)" on page 219
• "Server is unresponsive (cannot press F1 to start System Setup)" on page 220
• "Voltage system board fault is displayed in the event logs" on page 220
• "Unusual smell" on page 220
• "Server seems to be running hot" on page 220
• "Cannot enter legacy mode after installing a new adapter" on page 220
• "Cracked parts or cracked chassis" on page 221
The server immediately displays the POST Event Viewer when it is turned on
Complete the following steps until the problem is solved.
1. Check BMC event logs and resolve the errors in the event logs.
2. Make sure that the UEFI firmware and BMC firmware are the latest version.
3. Revert the system to the minimum configuration.
4. Correct any errors that are indicated by the light path diagnostics LEDs.
5. Make sure that the server supports all the processors and that the processors match in speed and
cache size.
You can view processor details from system setup.
To determine if the processor is supported for the server, see
serverproven/index.shtml
6. (Trained technician only) Make sure that the processor is seated correctly.
7. Replace the following components one at a time, in the order shown, and restart the server each time:
a. (Trained technician only) Processor
b. (Trained technician only) System board
Server is unresponsive (POST is complete and operating system is running)
Complete the following steps until the problem is solved.
• If you are in the same location as the compute node, complete the following steps:
1. If you are using a KVM connection, make sure that the connection is operating correctly. Otherwise,
make sure that the keyboard and mouse are operating correctly.
2. If possible, log in to the compute node and verify that all applications are running (no applications are
hung).
3. Restart the compute node.
4. If the problem remains, make sure that any new software has been installed and configured correctly.
5. Contact your place of purchase of the software or your software provider.
• If you are accessing the compute node from a remote location, complete the following steps:
1. Make sure that all applications are running (no applications are hung).
2. Attempt to log out of the system and log back in.
3. Validate the network access by pinging or running a trace route to the compute node from a
command line.
a. If you are unable to get a response during a ping test, attempt to ping another compute node in
the enclosure to determine whether it is a connection problem or compute node problem.
b. Run a trace route to determine where the connection breaks down. Attempt to resolve a
connection issue with either the VPN or the point at which the connection breaks down.
.
https://static.lenovo.com/us/en/
.
Chapter 4
Problem determination
219
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