Lenovo ThinkPad 760CD ThinkPad 380, 385, 560, 560E, all 760, 765 and SelectADo - Page 543

If some of the icons do not appear, replace the indicator panel. If the problem persists, replace the DC/DC card. Keyboard or Auxiliary Input Device Checkout 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 video card. If the keyboard cable connection is correct, check the video 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 the Ctrl+A does not work, triple-click on the icon on the right bottom corner on the basic diagnostic screen.) 3. Make sure that the keyboard connection is Connected; then press Esc to escape the screen. 4. Press Esc. A layout of the keyboard appears on the screen. 5. 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. 6. Press Ctrl+Pause to end the test. 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 cables. Replace the video card. Replace the system board. Auxiliary Input Devices: The following auxiliary input devices are supported for this computer: Numeric keypad Mouse (PS/2 compatible) External keyboard (with keyboard/mouse cable) If any of these devices do not work, reseat the cable connector and repeat the failing operation. ThinkPad 770 (9548, 9549) 531