Power On And Power Off Problems - Lenovo ThinkSystem SR665 V3 User Manual

4. Check for events related to high temperatures and power issues as the server might be throttled to help
with cooling. If it is throttled, reduce the workload on the server to help improve performance.
5. Check for events related to disabled DIMMs. If you do not have enough memory for the application
workload, your operating system will have poor performance.
6. Ensure that the workload is not too high for the configuration.

Power on and power off problems

Use this information to resolve issues when powering on or powering off the server.
• "Embedded hypervisor is not in the boot list" on page 228
• "The power button does not work (server does not start)" on page 228
• "Server does not power on" on page 229
• "Server does not power off" on page 229
Embedded hypervisor is not in the boot list
Complete the following steps until the problem is solved.
1. If the server has been installed, moved, or serviced recently, or if this is the first time the embedded
hypervisor is being used, make sure that the device is connected properly and that there is no physical
damage to the connectors.
2. See the documentation that comes with the optional embedded hypervisor flash device for setup and
configuration information.
3. Check
https://serverproven.lenovo.com/
the server.
4. Make sure that the embedded hypervisor device is listed in the list of available boot options. From the
management controller user interface, click Server Configuration ➙ Boot Options.
For information about accessing the management controller user interface, see "Opening and Using the
XClarity Controller Web Interface" section in the XCC documentation compatible with your server at:
https://sysmgt.lenovofiles.com/help/topic/lxcc_frontend/lxcc_overview.html
5. Check http://datacentersupport.lenovo.com
hypervisor and the server.
6. Make sure that other software works on the server to ensure that it is working properly.
The power button does not work (server does not start)
Note: The power button will not function until approximately 1 to 3 minutes after the server has been
connected to ac power to allow time for BMC to initialize.
Complete the following steps until the problem is resolved:
1. Make sure that the power button on the server is working correctly:
a. Disconnect the server power cords.
b. Reconnect the server power cords.
c. Reseat the front operator panel cable, and then repeat steps 3a and 3b.
• If the server starts, reseat the front operator panel.
• If the problem remains, replace the front operator panel.
2. Make sure that:
• The power cords are correctly connected to the server and to a working electrical outlet.
ThinkSystem SR665 V3 User Guide
228
to validate that the embedded hypervisor device is supported for
for any tech tips (service bulletins) related to the embedded