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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 server, 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 server and verify that all applications are running (no applications are hung).
3. Restart the server.
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 server 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 server from a command line.
a. If you are unable to get a response during a ping test, attempt to ping another server in the
enclosure to determine whether it is a connection problem or server 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.
4. Restart the server remotely through the management interface.
5. If the problem remains, verify that any new software has been installed and configured correctly.
6. Contact your place of purchase of the software or your software provider.
Server is unresponsive (POST failed and cannot start System Setup)
Configuration changes, such as added devices or adapter firmware updates, and firmware or application
code problems can cause the server to fail POST (the power-on self-test).
If this occurs, the server responds in either of the following ways:
• The server restarts automatically and attempts POST again.
• The server hangs, and you must manually restart the server for the server to attempt POST again.
After a specified number of consecutive attempts (automatic or manual), the server reverts to the default
UEFI configuration and starts System Setup so that you can make the necessary corrections to the
configuration and restart the server. If the server is unable to successfully complete POST with the default
configuration, there might be a problem with the system board.
You can specify the number of consecutive restart attempts in System Setup. 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
sysmgt.lenovofiles.com/help/topic/lxpm_frontend/lxpm_product_page.html
Recovery and RAS ➙ POST Attempts ➙ POST Attempts Limit. Available options are 3, 6, 9, and disable.
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
required number of processors and DIMMs.
2. Restart the system.
ThinkSystem SR850P Maintenance Manual
154
.) Then, click System Settings ➙
"Specifications" on page 1
https://
for the minimally
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