Symptom

Action

 

 

 

The server emits a continuous

1.

Make sure that the server supports all the microprocessors and that the

beep during the POST,

 

microprocessors match in speed and cache size.

indicating that the startup

2.

(Trained service technician only) Reseat microprocessor 1.

(boot) microprocessor is not

3.

(Trained service technician only) If there is no indication of which microprocessor

working correctly.

 

 

has failed, isolate the error by testing with one microprocessor at a time.

 

4.

Replace the following components one at a time, in the order shown, restarting

 

 

the server each time:

 

 

a. (Trained service technician only) Microprocessor 2

 

 

b. VRM 2

 

 

c. (Trained service technician only) System board

 

5.

(Trained service technician only) If multiple error codes indicate a microprocessor

 

 

error, reverse the locations of two microprocessors to determine whether the

 

 

error is associated with a microprocessor or with a microprocessor socket.

 

 

• If the error is associated with a microprocessor, replace the microprocessor.

 

 

• If the error is associated with a VRM, replace the VRM.

 

 

• If the error is associated with a microprocessor socket, replace the system

 

 

board.

 

 

 

Monitor problems

Some monitors have their own self-tests. If you suspect a problem with your monitor, see the documentation that comes with the monitor for instructions for testing and adjusting the monitor.

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

•See the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRUs) and which components are field replaceable units (FRUs).

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

Symptom

Action

 

 

Testing the monitor

1. Make sure that the monitor cables are firmly connected.

 

2.

Try using a different monitor on the server, or try using the monitor that is being

 

 

tested on a different server.

 

3.

Run the diagnostic programs. If the monitor passes the diagnostic programs,

 

 

the problem might be a video device driver.

 

4.

(Trained service technician only) Replace the system board.

 

 

The screen is blank.

1. If the server is attached to a KVM switch, bypass the KVM switch to eliminate it

 

 

as a possible cause of the problem: connect the monitor cable directly to the

 

 

correct connector on the rear of the server.

 

2.

Make sure that:

 

 

• The server is turned on. If there is no power to the server, see “Power

 

 

problems” on page 89.

 

 

• The monitor cables are connected correctly.

 

 

• The monitor is turned on and the brightness and contrast controls are

 

 

adjusted correctly.

 

 

• No POST errors are generated when the server is turned on.

 

3.

Make sure that the correct server is controlling the monitor, if applicable.

 

4.

See “Solving undetermined problems” on page 93.

 

 

 

Chapter 7. Troubleshooting 87

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Lenovo 1044, 4011, 4010, 1043 manual Monitor problems
Page 96 Page 98

4011, 1043, 1044, 4010 specifications

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