Serial-Device Problems; Software Problems - Lenovo ThinkEdge SE350 V2 User Manual

5. If the issue is still observed or without power button LED lit on, implement the minimum configuration to
check whether any specific components lock the power permission. Replace another power source or
external power adapter; then, check the power button LED again.
6. If everything is still done and the issue cannot be resolved, collect the failure information with system
logs captured to Lenovo support.
Server does not power on
Complete the following steps until the problem is resolved:
1. Check the event log for any events related to the server not powering on.
2. Check for any LEDs that are flashing amber.
3. Check the power LED on the system board.
4. Check if the PMB status LED on the rear side of the server is lit on.
5. AC cycle the system.
6. Remove the CMOS battery for at least ten seconds, then, reinstall the CMOS battery.
7. Try to power on the system by IPMI command through XCC or by the power button.
8. Implement the minimum configuration.
9. Reseat all power source, PMB/PIB, and cables in between; then, check the power button LED again.
10. If the issue cannot be resolved by above actions, call service to review the issue symptom and see
whether the system board (system board assembly) replacement is necessary.

Serial-device problems

Use this information to solve problems with serial ports or devices.
• "Serial device does not work" on page 206
Serial device does not work
1. Make sure that:
• The device is compatible with the server.
• The serial port is enabled and is assigned a unique address.
• The device is connected to the correct connector (see
2. Reseat the following components:
a. Failing serial device.
b. Serial cable.
3. Replace the following components:
a. Failing serial device.
b. Serial cable.
4. (Trained technician only) Replace the system board.

Software problems

Use this information to solve software problems.
1. To determine whether the problem is caused by the software, make sure that:
• The server has the minimum memory that is needed to use the software. For memory requirements,
see the information that comes with the software.
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"Rear view" on page 21).