Power On And Power Off Problems - Lenovo ThinkSystem SR850 Maintenance Manual

• The device is installed in the correct port.
• The device is designed for the server (see http://www.lenovo.com/serverproven/).
• You followed the installation instructions that came with the device, and the device is installed
correctly.
• You have not loosened any other installed devices or cables.
• You updated the configuration information in the Setup utility. Whenever memory or any other device
is changed, you must update the configuration.
3. Reseat the device that you just installed.
4. Replace the device that you just installed.
A Lenovo optional device that worked previously does not work now.
1. Check the XCC event log for any events associated with the device.
2. Make sure that all of the cable connections for the device are secure.
3. Reseat the failing device.
4. If the device comes with test instructions, use those instructions to test the device.
5. If the failing device is a SCSI device, make sure that the following conditions are met:
• The cables for all external SCSI devices are connected correctly.
• The last device in each SCSI chain, or the end of the SCSI cable, is terminated correctly.
• Any external SCSI device is turned on. You must turn on an external SCSI device before you turn on
the server.
6. Replace the failing device.

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 154
• "Server does not power on" on page 154
• "Server does not power off" on page 155
• "Unexpected shutdown with LED not lit" on page 156
Embedded hypervisor is not in the boot list
Complete the following steps until the problem is resolved:
1. Make sure that the optional embedded hypervisor flash device is selected on the boot manager <F12>
Select Boot Device at startup.
2. Make sure that the embedded hypervisor flash device is seated in the connector correctly.
3. See the documentation that comes with the optional embedded hypervisor flash device to validate that
the device is configured correctly.
4. Make sure that other software works on the server.
Server does not power on
Complete the following steps until the problem is resolved:
Note: The power-control button will not function until approximately 5 to 10 seconds after the server has
been connected to power.
1. Make sure that the power-control button is working correctly:
154
ThinkSystem SR850 Maintenance Manual