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Beep Symptoms
Symptom or Error FRUs of the SelectaDock
Sequence of Actions
Beep sounds continuously. 1. Verify that the
ThinkPad model is
correct. (See “General
Preparation” on
page 3.)
2. Security feature group
3. Main card
4. Audio card
Keyboard-Related Symptoms
Symptom or Error FRUs of the SelectaDock
Sequence of Actions
One or more keys do not
work on the external
keyboard, but the
SelectaDock is otherwise
functional.
1. Go to “External
Keyboard” on
page 11.
Indicator-Related Symptoms
Symptom or Error FRUs of the SelectaDock
Sequence of Actions
Power-good light does not
turn on, fan does not run,
and the computer is not
functional.
1. See “Undetermined
Problems” on
page 30.
Computer is functional and
the fan runs, but the power
on indicator does not turn
on.
1. Check the connector
of LCD Group
2. Main Card
3. Go to “Power Supply”
on page 6.
LCD (SelectaDock) for the
hard disk drive stays on.
1. 2.5-inch hard disk
drive on the UltraBay
tray or IDE drive in
the hall-height bay.
of the SelectaDock
LCD (SelectaDock) for the
hard disk drive is not
working, but the
SelectaDock is functional.
1. Check the connector
of LCD Group
2. LCD Circuit Board
Group
3. Main card
24 IBM Mobile Systems HMM