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A Lenovo optional device that worked previously does not work now
1. Make sure that all of the cable connections for the device are secure.
2. If the device comes with test instructions, use those instructions to test the device.
3. Reseat the cable connection and check if any physical parts have been damaged, .
4. Replace the cable.
5. Reseat the failing device.
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 157
•
"Server does not power on" on page 157
•
"Server does not power off" on page 158
•
"Unexpected shutdown with LED not lit" on page 158
•
"Unexpected shutdown with LED not lit" on page 158
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
at startup.
Select Boot Device
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:
a. Disconnect the server power cords.
b. Reconnect the power cords.
c. (Trained technician only) Reseat the operator information panel cable, and then repeat steps 1a and
1b.
• (Trained technician only) If the server starts, reseat the operator information panel. If the problem
remains, replace the operator information panel.
• If the server does not start, bypass the power-control button by using the force power-on jumper.
If the server starts, reseat the operator information panel. If the problem remains, replace the
operator information panel.
2. Make sure that the reset button is working correctly:
a. Disconnect the server power cords.
b. Reconnect the power cords.
.
Chapter 4
Problem determination
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