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Intermittent Problems
Problems Action
Does your Dock I have an
intermittent problem?
A problem can be difficult to find because it occurs just once in a
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
no beep.
Note
If you are not sure
about the beep, turn
the computer off, then
turn the computer on
again, and listen for
the beep.
Verify that:
1. The Dock I power cord is plugged into a working electrical
outlet and into the Dock I.
2. The cables connected to the Dock I are securely connected. (For
locations where cables are connected, see “Locating Dock I
Features” on page 1-4.)
3. The power switch is turned on.
4. The security lock is not in the extreme left position.
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.
6-12 IBM ThinkPad Dock I User’s Guide
Title: C74AMST CreationDate: 06/23/93 17:09:07