CHECKOUT GUIDE
Checkout guide
Use the following procedures as a guide in identifying and
correcting problems with the ThinkPad computer.
Note: The diagnostic tests are intended to test only IBM
products. The user of non-IBM products, prototype
cards, or modified options can lead to false
indications of errors and invalid system responses.
1. Identify the failing symptoms in as much detail as
possible.
2. Verify the symptoms. Try to re-create the failure by
running the diagnostic test or by repeating the
operation.
Testing the computer
The ThinkPad computer has a test program called
PC-Doctor DOS (hereafter called
PC-Doctor
). You can
detect errors by running the diagnostics test included in
PC-Doctor. This section is an overview of the procedure.
For details that depend on model-unique functions, refer to
“Product overview” on page 14.
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 Easy-Setup
before you run PC-Doctor. In the Easy-Setup screen, click
on the Config and Initialize.
Note: When you initialize the computer configuration,
some devices are disabled, such as the serial port.
If you test one of these devices, you need to
enable it by using PS2.EXE.
To run the test, do as follows.
Note: In the following procedure, you can select an item
not only with the arrow keys but also with the
TrackPoint. Instead of pressing Enter, click the left
button.
1. Insert the PC Doctor disk into the diskette drive; then
power on the computer.
If the computer cannot be powered on, go to “Power
system checkout” on page 10, and check the power
sources.
If an error code appears, go to “Symptom-to-FRU
error messages” on page 18.
In the first screen, select the model and press Enter.
Follow the instructions on the screen.
2. The PC-Doctor main panel appears.
3. Select Diagnostics with the arrow keys, and press
Enter.
8 ThinkPad 600X Hardware Maintenence Manual
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