Assessments - 3, GPA: 3.7 ( )

Fabricante : IBM Arquivo Tamanho: 6.56 mb Arquivo Nome : Língua de Ensino:

A loose connection can cause an error. 1. Power off the computer and remove the DIMM from its slot (if installed). 2. Press and hold the F1 key; then power on the computer. Hold the F1 key down until the Easy-Setup screen appears. 3. Select Test and press Enter. 4. Select Memory and press Enter to run the memory test on base memory. If an error appears, replace the system board. 5. Power off the computer and reinstall the DIMM; then power on the computer. Verify the memory size; then test the memory. If an error appears, replace the DIMM. If memory problems occur intermittently, use the loop option to repeat the test. When the test detects an error, an error log is printed on the printer connected to the parallel port. See “Error Log” on page 213 for more information. System Programs in Flash Memory: System setup programs and diagnostic tests are stored in flash memory. Flash Memory Update: A flash memory update is required for the following conditions: . New versions of system programs. . New features or options are added. To update the flash memory, do the following: 1. Get the appropriate diskette containing the update. 190 IBM Mobile Systems - ThinkPad HMM Volume 3 2. Insert the System Program Service Diskette into drive A and power on the computer. 3. Select Update system programs from the menu. System Board Checkout The processing functions are performed by the system board. When a numeric code calls the system board as a FRU, use the following procedure to isolate the problem. 1. Run the system board test to verify the symptom. This test verifies the system board. If no error is detected, return to “Checkout Guide” on page 189. 2. If FRU code 10 appears, replace the system board. 3. Rerun the test to verify the fix. If this procedure does not correct the problem, go to “Undetermined Problems” on page 209. Keyboard/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 subcard. If the keyboard cable connection is correct, run the keyboard test by doing the following: 1. Go to the diagnostic menu screen by selecting Test in the Easy-Setup screen. 2. Press Ctrl+A. The ThinkPad FRU Connections screen 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. A layout of the keyboard appears on the screen. 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 a Fn key is pressed, a black square briefly appears. 5. 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 flexible cable. . Replace the keyboard assembly. . Replace the subcard. . Replace the system board. ThinkPad 380, 380D, 385, 385D (2635) 191 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. If the problem does not recur, recheck the connector. If the problem is not corrected, replace the device, and then the system board. TrackPoint III Checkout If the TrackPoint III does not work, check the configuration in the ThinkPad Features program. If the configuration of the TrackPoint III is disabled, select Enable to enable it. If this does not correct the TrackPoint III problem, continue with the following: The TrackPoint III does automatic compensations to adjust the pointer sensor. During this process, the pointer moves on the screen automatically for a short time. This self-acting pointer movement can occur when a slight, steady pressure is applied to the TrackPoint III pointer while the computer is powered on or while the system is running, or when readjustment is required because the temperature has exceeded its normal temperature range. This symptom does not indicate a hardware problem. No service actions are necessary if the pointer movement stops in a short period of time. If a click button problem or pointing stick problem occurs, do the following: 1. Go to the Easy-Setup screen. 2. Select an item with the pointing stick. 3. Press either the left or right click button. 4. Verify that both buttons work correctly. If either the pointing stick or the click button does not work, do the following actions one at a time to correct the problem. Do not replace a nondefective FRU. . Reseat the keyboard flexible cables. . Replace the keyboard. . Replace the subcard. . Replace the system board. Diskette Drive Test Do the following to isolate the problem to ...

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