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Service Hints & Tips

Document ID: GSMH-3DAFBF

TP Dock 1 - Undetermined Problem

Applicable to: World-Wide

Undetermined Problem:
Use the following procedure when the diagnostic tests do not identify the failing adapter or device.

Check that all cables, wires, and connectors are connected so that they do not cause a short circuit. If any problems are found, reconnect or replace them. Check the power supply for correct operation (see 'Power Systems Checkout—). If the power supply is operating correctly, return here and continue with the following procedures.
1. Power-off the computer.
2. Remove or disconnect one at a time the following adapters or devices from the Dock I. (Do not isolate adapters or devices that are known to be good.)
a. Non-IBM devices.
b. A modem, printer, mouse, external keyboard, external display, external diskette drive, numeric keypad, or other external
devices.
c. Any adapter.

Note:
Removing an adapter or device might cause configuration errors. Ignore error code 174.

d. SCSI device.
e. Hard disk drive.
3. Power-on the system and check if the problem has changed.
4. If the symptom remains, repeat Steps 1 through 3 until you find the failing adapter or device, or until all adapters or devices have been removed.
5. If all adapters or devices have been removed and the problem remains, replace the following Dock I FRUs one at a time.

Note:
If a replaced part did not resolve the problem, put the original part back in the Dock I. Do not replace non-defective parts.

a. I/O card
b. Main board
c. Dock I audio card

If the problem goes away when you remove an adapter, but replacing the adapter does not correct the problem, replace the main board of the Dock I.

	Search Keywords
	Hint Category	Hardware Maintenance Information
	Date Created	13-01-97
	Last Updated	27-08-98
	Revision Date	21-08-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad Docking Stations
	Machine Type	3545
	Model	001
	TypeModel
	Retain Tip (if applicable)	N/A
	Reverse Doclinks and Admin Purposes