FRU testsThe following table shows the test for each FRU.FRU Applicable testSystem board 1. Diagnostics --> CPU/Coprocessor2. Diagnostics --> SystemboardPower Diagnostics --> Other Devices --> IBM ACAdapter, IBM Battery 1 (IBM Battery 2)LCD unit 1. Diagnostics --> Video Adapter2. Interactive Tests --> VideoModem,Modemdaughter card1. Make sure the modem is set up correctly.2. Replace the modem jack and the modemcard in turn, and run the following tests inDiagnostics --> Other Devices:a. Modem Digital Loopback Testb. Modem Dialtone TestAudio 1. Interactive Tests --> Internal Speaker2. Diagnostics --> Other Devices --> AnalogDevices AC97 CODEC TestSpeaker Interactive Tests --> Internal SpeakerPC Card slots Diagnostics --> Systemboard --> PCMCIA,PCMCIA External LoopKeyboard 1. Diagnostics --> Systemboard -->Keyboard2. Interactive Tests --> KeyboardTrackPoint orpointing deviceIf the TrackPoint does not work, check theconfiguration in the ThinkPad Configurationprogram. If the TrackPoint is disabled, selectAutomatic (or Enabled) to enable it.After you use the TrackPoint, the pointer maydrift on the screen for a short time. This driftcan occur when a slight, steady pressure isapplied to the TrackPoint pointer. This symptomis not a hardware problem. If the pointer stopsafter a short time, no service action isnecessary.If enabling the TrackPoint does not correct theproblem, continue with the following:v Interactive Tests --> MouseHard-disk drive Diagnostics --> Fixed DisksDiskette drive 1. Diagnostics --> Diskette Drives2. Interactive Tests --> Diskette(continued)Product overview50 ThinkPad R40
