Serial-Device Problems - Lenovo System x3650 M5 Installation And Service Manual

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• Follow the suggested actions in the order in which they are listed in the Action column until the problem is

• If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained

• Go to the support website at

and new device drivers or to submit a request for information.

The server does not turn off.

The server unexpectedly shuts

down, and the LEDs on the

operator information panel are

Serial-device problems

Use the troubleshooting tables to find solutions to problems that have identifiable symptoms.

http://www.lenovo.com/support

1. Determine whether you are using an Advanced Configuration and Power

Interface (ACPI) or a non-ACPI operating system. If you are using a non-ACPI

operating system, complete the following steps:

a. Press Ctrl+Alt+Delete.

b. Turn off the server by pressing the power-control button and hold it down for

c. Restart the server.

d. If the server fails POST and the power-control button does not work,

disconnect the power cord for 20 seconds; then, reconnect the power cord

and restart the server.

2. If the problem remains or if you are using an ACPI-aware operating system,

suspect the system board.

See "Solving undetermined problems" on page 109.

to check for technical information, hints, tips,

Troubleshooting