IBM Series 1500, Series 1400 manual Checkout guide, Testing the computer

Checkout guide

Use the following procedure as a guide for com lems.

Note: The diagnostic tests are intended to test products. Non-IBM products, prototype cards, modified options can give false errors and system responses.

1.Obtain the failing symptoms in as much detail sible.

2.Verify the symptoms by attempting to recrea failure by running the diagnostic test or by the same operation.

Testing the computer

The ThinkPad computer has a test program called PC-Doctor DOS (hereafter PC-calledDoctor). You can detect errors by running the diagnostics test of This section is an overview on detecting the prob Refer to “Product overview” on page 44 for deta depend on model-unique functions.

To	run the	test, do		the	following:
Note:	In the following			procedure, you		can select
	not only with the arrow keys, but also with
	TrackPoint.		Instead of Enterpressing,you			can
	click	the	left	click	button.

1.Insert the PC-Doctor DOS Disk into the diskett then power on the computer.

If the computer cannot be powered on, go to systems checkout” on page 30 and check the p sources.

If an error code appears, go to “Symptom-to-FR Index” on page 33.

The PC-Doctor main panel appears.

2.SelectDiagnostics with the arrow keys, and pres Enter .

A pull-down menu appears:

Note: The pull-down menu differs depending on th model.

3.Run the applicable function test.

4.Follow the instructions on the screen. If the

problem, PC-Doctor shows some messages.

5.Reseat the cable or connector of the detec and run the test again.

If the error recurs, replace the FRU that error.

Note: With some FRUs, especially the system board, the problem might be caused by peripheral FRUs. Verify that each peri

28 ThinkPad i Series 1400/1500 HMM