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12. If the drive is attached through a docking station, go
to the service manual of the docking station to isolate
the problem.
13. If the drive is attached through an external diskette
drive connector and there is not a diskette drive in the
UltraBay II, reseat the external diskette drive
connector. If the error persists, replace the following
FRUs one at a time:
a. External diskette drive kit
b. Video card
c. System board
14. If no error occurs when you test the formatted
diskette, suspect the diskette that was used when the
customer reported the problem.
Fan Checkout
To check the fan, listen for the fan. If it does not run,
replace it. If the fan run, do the diagnostic test.
1. Start the Easy-Setup.
2. Click on Test.
3. Press Ctrl+A to enter the advanced diagnostic mode.
ThinkPad Connection windows appears.
4. Click on Exit.
The keyboard layout screen appears.
5. Click on Exit.
6. Click on SystemBoard then press Enter to run the
test.
Follow the description on the window. If the test
detects the fan problem, replace it.
Game Port Checkout
Do the following if a joystick problem occurs:
1. Connect the joystick to the game port.
2. Go to the Easy-Setup menu.
3. Move to an item with the joystick.
4. Press any button of the joystick.
5. Verify that all buttons work correctly.
If either the joystick or a button does not work, replace the
video card. If the problem persists, replace the system
board.
Indicator Panel Checkout
If an indicator panel problem occurs, do the following:
1. Power off the computer.
2. Power on the computer. All the icons in the indicator
panel should appear for a moment soon after the
computer is powered on.
3. Verify that all icons appear correctly.
530 IBM Mobile Systems HMM