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Resumen del manual
A loose connection can cause an error. 1. Power-off the computer and remove the DIMM adapter card 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 adapter card; then power-on the computer. Verify the memory size; then test the memory. If an error appears, replace the DIMM adapter card. 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 374 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. 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 and CPU Card Checkout The processing functions are performed by both the system board and the CPU card. Processor problems can be caused by either FRU. However, the CPU card generally has a lower probability of failure. When a numeric code calls the system board or the CPU card as a FRU, or the CPU card is called by a diagnostic test by showing FRU code 11, use the following procedure to isolate the problem: 1. Run the system board test to verify the symptom. This test verifies both the system board and the CPU card. If no error is detected, return to “Checkout Guide” on page 341. 344 IBM Mobile Systems - ThinkPad HMM Volume 3 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 371. 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 (see “DSP Card Checkout” on page 346) or Audio (ESS) card (see “Audio (ESS) Card Checkout” on page 346). 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: ThinkPad 760 (9546, 9547) 345 . 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. DSP Card Checkout (Models 760C/760CD/760E/760ED/760XD) 1. Go to the diagnostic menu screen by selecting Test in the Easy-Setup menu. 2. Select DSP and run the diagnostic tests. 3. If the test detects a DSP card problem, replace the DSP card. Audio (ESS) Card Checkout (Models 760L/760LD/760EL/760ELD/760XL) 1. Go to the diagnostic menu screen by selecting Test in the Easy-Setup menu. 2. Select Audio and run the diagnostic tests. 3. If the test detects a audio (ESS) card problem, replace the audio (ESS) card. 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 adjus...
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