IBM 2388 Hardware Maintenance Manual - Page 53
following, table, shows, continued, ThinkPad
UPC - 000435123473
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Product overview FRU tests The following table shows the test for each FRU. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard Power Diagnostics --> Other Devices --> AC Adapter, Battery 1 LCD unit 1. Diagnostics --> Video Adapter 2. Interactive Tests --> Video Modem, MDC-2 1. Make sure the modem is set up correctly. 2. Replace the modem jack and the modem card in turn, and run the following tests in Diagnostics --> Communication: a. Lucent Soft Modem Loopback b. Lucent Soft Modem Dialtone Audio 1. Interactive Tests --> Internal Speaker 2. Diagnostics --> Other Devices --> Analog Devices AC97 CODEC Test Speaker Interactive Tests --> Internal Speaker PC Card slots 1. Diagnostics --> Systemboard --> PCMCIA 2. Insert a PC Card Wrap Plug into every PC Card Slot and run Diagnostics --> Systemboard --> PCMCIA External Loop Keyboard 1. Diagnostics --> Systemboard --> Keyboard 2. Interactive Tests --> Keyboard TrackPoint or pointing device If the TrackPoint does not work, check the configuration in the ThinkPad Configuration program. If the TrackPoint is disabled, select Enable to enable it. After you use the TrackPoint, the pointer may drift on the screen for a short time. This drift can occur when a slight, steady pressure is applied to the TrackPoint pointer. This symptom is not a hardware problem. If the pointer stops after a short time, no service action is necessary. Hard disk drive Diskette drive If enabling the TrackPoint does not correct the problem, continue with the following: v Interactive Tests --> Mouse Diagnostics --> Fixed Disks 1. Diagnostics --> Diskette Drives 2. Interactive Tests --> Diskette (continued) ThinkPad G40, G41 49