Lenovo ThinkPad 760CD ThinkPad 380, 385, 560, 560E, all 760, 765 and SelectADo - Page 221

Note: Don't touch the keyboard and pointing device when the system board test is running. This may cause an unexpected error. 2. If FRU code 10 appears, replace the system board but do not replace the CPU card. Transfer the CPU card from the old system board to the new system board. 3. If FRU code 11 appears, reseat the CPU card. 4. Rerun the test to verify the fix. 5. If FRU code 11 remains, replace the CPU card. If this procedure does not correct the problem, go to "Undetermined Problems" on page 235. Keyboard and Auxiliary Input Device Checkout Remove the external keyboard if the internal keyboard is to be tested. If the internal 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 video card. If the keyboard cable connection is correct, check the DSP card or Audio (ESS) card. If the tests do not detect a keyboard problem, run the keyboard test by doing the following: 1. Go to the diagnostic menu screen by selecting Test in the Easy-Setup menu. 2. Press Ctrl+A to enter to the advanced diagnostic mode. 3. Press Ctrl+K; 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 briefly appears. If the tests detect a keyboard problem, do the following one at a time to correct the problem. Do not replace a nondefective FRU. Reseat the keyboard card cable. Replace the keyboard card cable. Replace the keyboard card assembly. Replace the video card. Replace the system board. The following auxiliary input devices are supported for this computer: Numeric keypad Mouse (PS/2 compatible) ThinkPad 760 (9546, 9547) 209