IBM S84H-4552-00 manual External Keyboard, How To Run Diagnostics, Diagnostics for ThinkPad

External Keyboard

Notes

ŸIf a mouse or other pointing device is attached, remove it and see if the error symptom goes away. If the symptom goes away, the mouse or

other pointing device is defective.

ŸThe computer keyboard does not work when an external keyboard is connected.

1.Power-off the computer.

2.Disconnect the keyboard cable from the external keyboard.

3.Power-on the computer and check the keyboard cable

connector for the following voltages. All voltages have ±a5% voltage tolerance.

Not used

Not used

4.If all voltages are correct, replace the external keyboard.

5.If the voltages are not correct, replace the following

FRUs one at a time until the problem is corrected.

	Note
If the replaced FRUs do		not	resolve	the problem,
put the original FRUs back		in	the	SelectaDock
Docking System. Do not replace nondefective
FRUs.

a.Keyboard cable

b. Main card of the SelectaDock Docking System

How	to Run	the	Diagnostics
This	section describes how to run the diagnostics for both
the	computer	and	the SelectaDock Docking System.

Diagnostics for ThinkPad

Use either the TrackPoint III or the cursor move keys to interact with the testsEnter . keyThe works the same as

selecting OKthe icon to reply OK.

1.	Press	and	F1hold; then	power-on the	computer.
	Hold F1	down until the		Easy-Setup	screen appears.
2.	SelectTest		and pressEnter .
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