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b. Run traceroute to determine where the connection breaks down, and try to resolve the connection
issue with VPN or avoiding where the connection breaks down.
4. Restart the server remotely.
5. If the problem recurs, make sure that every installed software is configured correctly.
6. Contact the vendor or provider of the software for technical support.
Server is unresponsive (cannot press F1 to start Setup Utility)
Complete the following steps until the problem is solved.
Note: Any configuration changes, such as system firmware update, device and corresponding driver
installation, could cause failed POST.
If this occurs, the server responds in either of the following ways:
• The system restarts automatically and produces POST again.
• The server hangs, and you must manually reboot the system so that the system produces POST again.
Voltage planar fault is displayed in the event log
Complete the following steps until the problem is solved.
1. Revert the system to the minimum configuration. See
“Specifications” on page 2 for details.
2. Restart the server.
• If the system does restart successfully, add the devices that are removed one at a time, and restart
the server after each addition until the problem occurs. Replace the device that causes the problem.
• If the system fails to restart, there might be a problem with the system board. Call Lenovo support.
Unusual smell
Complete the following steps until the problem is solved.
1. Any unusual smell might come from newly installed devices. Examine the devices to identify the source
of the smell, and remove the one that produces it.
2. If the problem recurs, contact Lenovo Support.
Server seems to be running hot
Complete the following steps until the problem is solved.
1. Make sure that the room temperature is within the specified range (see
“Specifications” on page 2).
2. Adjust the Intelligent Cooling Performance Mode setting. Go to Setup Utility and select Power ➙
Intelligent Cooling ➙ Performance Mode. If the server is set in Better Experience, select Better
Performance and press Enter.
3. Check the system event log and resolve any related problems. To view the system event log, go to
Setup Utility and select Security ➙ System Event Log ➙ View System Event Log.
4. If there are no related events in the log, contact Lenovo Support.
Cracked parts or cracked chassis
Contact Lenovo Support.
Software problems
Follow this procedure to solve software problems.
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ThinkSystem ST50 V2 Maintenance Manual
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