Troubleshooting By Symptom; Power On And Power Off Problems - Lenovo ThinkSystem SR150 Maintenance Manual

• The Ethernet transmit/receive activity LED is lit when the Ethernet controller sends or receives
data over the Ethernet network. If the Ethernet transmit/receive activity is off, make sure that the
hub and network are operating and that the correct device drivers are installed.
Step 5. Check the Network activity LED on the rear of the server. The Network activity LED is lit when data
is active on the Ethernet network. If the Network activity LED is off, make sure that the hub and
network are operating and that the correct device drivers are installed.
Step 6. Check for operating-system-specific causes of the problem, and also make sure that the operating
system drivers are installed correctly.
Step 7. Make sure that the device drivers on the client and server are using the same protocol.
If the Ethernet controller still cannot connect to the network but the hardware appears to be working, the
network administrator must investigate other possible causes of the error.

Troubleshooting by symptom

Use this information to find solutions to problems that have identifiable symptoms.
To use the symptom-based troubleshooting information in this section, complete the following steps:
1. Check the event log of the application that is managing the server and follow the suggested actions to
resolve any event codes.
• 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
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

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 101
• "The power button does not work (server does not start)" on page 102
• "Server does not power on" on page 102
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://static.lenovo.com/us/en/serverproven/index.shtml
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.
"Event logs" on page 95)
"Contacting Support" on page
to validate that the embedded hypervisor
119).
.
Chapter 4 Problem determination
101