•  If you are managing the server from the Lenovo XClarity Administrator, begin with the Lenovo XClarity 
Administrator event log. 
•  If you are using some other management application, begin with the Lenovo XClarity Controller event 
log. 
For more information about event logs, see “Event logs” on page 205.
2.  Review this section to find the symptoms that you are experiencing and follow the suggested actions to 
resolve the issue.
3.  If the problem persists, contact support (see “Contacting Support” on page 225).
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 209
•  “The power button does not work (server does not start)” on page 209
•  “Server does not power on” on page 210
•  “Server does not power off” on page 210
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 
http://www.lenovo.com/us/en/serverproven/ to validate that the embedded hypervisor device is 
supported for 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 the XClarity Controller 
product documentation:
http://sysmgt.lenovofiles.com/help/topic/com.lenovo.systems.management.xcc.doc/dw1lm_c_chapter2_ 
openingandusing.html
5.  Check http://datacentersupport.lenovo.com for any tech tips (service bulletins) related to the embedded 
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.
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 operator information panel cable, and then repeat steps a and b.
•  If the server starts, reseat the operator information panel.
Chapter 4. Problem determination 209