Title: C74AMST CreationDate: 06/23/93 17:09:07

Intermittent Problems

Problems

Action

 

 

Does your Dock I have an

A problem can be difficult to find because it occurs just once in a

intermittent problem?

while. If your Dock I has such a problem, verify that:

 

1.

The computer is firmly attached to the Dock I.

 

2.

All cables and power cords are securely connected to the rear of

 

 

the Dock I and to the attached options.

 

3.

When the Dock I is turned on, air is flowing from the louvers on

 

 

the back side of the Dock I. If there is no air flow, the fan is not

 

 

working. This causes the Dock I to overheat and shut down.

 

4.

The SCSI device is correctly terminated.

 

If the above items are correct and the problem still occurs, write

 

down what the problem is and what the system was doing when the

 

problem occurs. Then contact your place of purchase or service

 

representative for help.

 

 

 

LCD Problems

In the following table, an X can be any character.

 

Problems

Action

 

 

 

 

 

 

 

Blank screen with

Verify that:

 

no beep.

1.

The Dock I power cord is plugged into a working electrical

 

 

Note

 

 

 

 

 

 

2.

outlet and into the Dock I.

 

 

 

 

If you are not sure

 

The cables connected to the Dock I are securely connected. (For

 

about the beep, turn

 

 

locations where cables are connected, see “Locating Dock I

 

the computer off, then

 

3.

Features” on page 1-4.)

 

turn the computer on

 

The power switch is turned on.

 

again, and listen for

 

4.

The security lock is not in the extreme left position.

 

the beep.

 

5.

The computer is firmly installed on the Dock I.

 

 

 

 

 

If the above items are correct and the screen remains blank, have the

 

 

 

 

 

 

 

 

 

 

system unit serviced.

 

 

 

 

 

 

 

6-12IBM ThinkPad Dock I User’s Guide

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Image 112
IBM Dock I manual Intermittent Problems, LCD Problems