IBM ThinkPad Dock II Hardware Maintenance Manual

Also see for ThinkPad Dock II: Manual Hardware Maintenance Manual User guide Manual User guide

Contents

Checkout guideUse the following procedures as a guide in identifying andcorrecting problems with the ThinkPad computer.Note: The diagnostic tests are intended to test only IBMproducts. The use of non-IBM products, prototypecards, or modified options can lead to falseindications of errors and invalid system responses.1. Identify the failing symptoms in as much detail aspossible.2. Verify the symptoms. Try to re-create the failure byrunning the diagnostic test or by repeating theoperation.Testing the computerThe ThinkPad computer has a test program calledPC-Doctor ® DOS (hereafter called PC-Doctor.) You candetect errors by running the diagnostics test included inPC-Doctor. This section is an overview of the procedure.For details that depend on model-unique functions, refer to“Product overview” on page 43.For some possible configurations of the computer,PC-Doctor might not run correctly. To avoid this problem,you need to initialize the computer setup by use of the IBMBIOS Setup Utility before you run PC-Doctor. On the IBMBIOS Setup Utility screen, press F9, Enter, F10, and thenEnter.Note: When you initialize the computer configuration,some devices are disabled, such as the serial port.If you test one of these devices, you will need toenable it by using PS2.EXE.PC-Doctor cannot be used to test a device that is in thedocking station, even if the computer supports the dockingstation. To test a USB device, connect it to the USBconnector of the computer.Creating the PC-Doctor diagnostics disketteTo create the PC-Doctor disk from the Access IBMPredesktop Area, do as follows:1. Enter the IBM Predesktop application by pressing theAccess IBM button during POST.2. When the Access IBM application finishes loading,double-click the “Create Diagnostic Diskettes” icon.3. Authenticating the digital signature takes about 15seconds; then the ThinkPad computer will reboot intoPC-DOS.Checkout guide34 R50/R50p, R51 Series