• The processors are installed in the correct sequence.
5. Reseat the following components:
a. Operator information panel connector
b. Power supplies
6. Replace the following components. restarting the server each time:
a. Operator information panel connector
b. Power supplies
7. If you just installed an optional device, remove it, and restart the server. If the server now starts, you
might have installed more devices than the power supply supports.
8. See
“Power supply LEDs” on page 289.
Server does not power off
Complete the following steps until the problem is resolved:
1. Determine whether you are using an Advanced Configuration and Power Interface (ACPI) or a non-ACPI
operating system. If you are using a non-ACPI operating system, complete the following steps:
a. Press
Ctrl+Alt+Delete.
b. Turn off the server by pressing the power-control button and holding it down for 5 seconds.
c. Restart the server.
d. If the server fails POST and the power-control button does not work, disconnect the power cord for
20 seconds; then, reconnect the power cord and restart the server.
2. If the problem remains or if you are using an ACPI-aware operating system, suspect the system board.
Unexpected shutdown with LED not lit
Complete the following steps until the problem is resolved:
1. Check the XCC event log, and resolve related errors if found any.
2. Reseat power supply.
3. If the error recurs, replace power supply.
Processor problems
See this section to solve problems related to a monitor or video.
•
“The server goes directly to the POST event viewer when it is turned on.” on page 312
The server goes directly to the POST event viewer when it is turned on.
1. Check the light path diagnostics LEDs and the XCC event log, and resolve any errors that have
occurred.
2. 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
https://serverproven.lenovo.com/
3. (Trained technician only) Make sure that processor 1 is seated correctly
4. (Trained technician only) Remove processor 2 and restart the server. (3 and 4)
5. Replace the following components one at a time, in the order shown, restarting the server each time:
a. (Trained technician only) Processor
b. (Trained technician only) System board
312
ThinkSystem SR860 V2 Maintenance Manual
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