Fan Checkout
To check the fan, listen for the fan. If you cannot hear it
running at power-on, replace the fan. If you can hear it
running but not steadily, do the diagnostic test.
1. Start Easy-Setup.
2. Click on Test.
3. Press Ctrl+A to enter the advanced diagnostic mode.
The ThinkPad Connection windows appear.
4. Click on Exit. The keyboard layout appears on the
screen.
5. Click on Exit.
6. Click on System Board then press Enter to run the
test.
Follow the instructions that appear on the screen. If
the test detects a fan problem, replace it.
Keyboard or Auxiliary Input DeviceCheckout
Remove any external keyboard before testing the built-in
keyboard.
If the keyboard does not work or an unexpected character
appears, make sure that the flexible cable extending from
the keyboard is correctly seated in the connector on the
DC/DC card.
If the keyboard cable connection is correct, check the
DC/DC card.
If the tests do not detect a keyboard problem, run the
keyboard test by doing the following:
1. Go to the diagnostic menu by selecting Test in the
Easy-Setup menu.
2. Press Ctrl+A to enter to the advanced diagnostic
mode.
The ThinkPad FRU Connections window appears. (If
Ctrl+A does not work, triple-click on the icon on the
right bottom corner of the basic diagnostic window.)
3. Make sure that the keyboard connection is
Connected; then press Esc to exit the screen.
A layout of the keyboard appears on the screen.
4. Check that when each key is pressed, the key's
position on the keyboard layout on the screen
changes to a black square.
Note: When the Fn key is pressed, a black square
appears briefly.
5. Press Ctrl+Pause to end the test.
If the tests detect a keyboard problem, do the following
one at a time:
Warning: Do not replace a nondefective FRU.
Reseat the keyboard cables.
Replace the DC/DC card.
IBM ThinkPad 380XD, 385XD (2635) 27