Lenovo 019626U Hardware Maintenance Manual

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Contents

FRU testsThe following table shows the test for each FRU.Table 1. FRU testsFRU Applicable testSystem board 1. Diagnostics --> CPU/Coprocessor2. Diagnostics --> SystemboardPower Diagnostics --> ThinkPad Devices --> AC Adapter, Battery 1(Battery2)LCD unit 1. Diagnostics --> Video Adapter2. Interactive Tests --> VideoAudio Enter the BIOS Setup Utility and change Serial ATA (SATA) settingto Compatibility, and run Diagnostics --> Other Device -->Conexant AudioSpeaker Interactive Tests --> Internal SpeakerNote: Once Audio test is done, the no sound is heard this test. Inthis case, turn off and turn on the computer. Then, run this testagain.Keyboard 1. Diagnostics --> Systemboard --> Keyboard2. Interactive Tests --> KeyboardHard disk drive orsolid state driveEnter the BIOS Setup Utility and change Serial ATA (SATA) settingto Compatibility, and run Diagnostics --> Fixed DisksYou can also diagnose the drive without starting up the operatingsystem. To diagnose the drive from the BIOS Setup Utility, do asfollows:1. Remove any diskette from the diskette drive, and then turn offthe computer.2. Turn on the computer.3. While the message, “To interrupt normal startup, press Enter,”is displayed at the lower left of the screen, press F1 to enterthe BIOS Setup Utility.4. Using cursor keys, select HDD diagnostic program. Pressenter.5. Using cursor keys, select Main hard disk drive.6. Press Enter to start the diagnostic program.Diskette drive 1. Diagnostics --> Diskette Drives2. Interactive Tests --> DisketteMemory 1. If two DIMMs are installed, remove one of them and runDiagnostics --> Advanced Memory Tests.2. If the problem does not recur, return the DIMM to its place,remove the other one, and run the test again.TrackPoint or pointingdeviceIf the TrackPoint does not work, check the configuration asspecified in the BIOS Setup Utility. If the TrackPoint is disabled,select Automatic to enable it.After you use the TrackPoint, the pointer may drift on the screenfor a short time. This drift can occur when a slight, steadypressure is applied to the TrackPoint pointer. This symptom is nota hardware problem. If the pointer stops after a short time, noservice action is necessary.If enabling the TrackPoint does not correct the problem, continuewith the following:v Interactive Tests --> MouseGeneral checkout 41