IBM A20M, A21M, A22P If an error code appears, go to “Symptom-to-FRU index” on page, Diagnostics

Checkout guide

If an error code appears, go to “Symptom-to-FRU index” on page 49.

On the first screen, select the model and press Enter. Follow the instructions on the screen.

2.The main panel of PC-Doctor appears.

3.Select Diagnostics with the arrow keys, and press Enter.

A pull-down menu appears. (Its exact form depends on the model.)

The options on the test menu are as follows:

Diagnostics		Interactive Tests
v	Run Normal Test	v	Keyboard
v	Run Quick Test	v	Video
v	CPU/Coprocessor	v	Internal Speaker
v	Systemboard	v	Mouse
v	Video Adapter	v	Joystick Test
v	Serial Ports	v	Diskette
v	Parallel Ports	v	System Load
v	Fixed Disks	v	CD-ROM/DVD Test
v	Diskette Drives	v	Stereo Speaker
v	Other Devices
v	ZIP Drive (*)
v	LS-120 Drive (*)
v	Communication
v Memory Test – Full
v Memory Test – Quick

Notes:

v In the Keyboard test in Interactive Tests, the Fn key is

scanned only once. Each key should be held down for at least 2 seconds; otherwise, it cannot be sensed.

v The sound card is not recognized in the Stereo Speaker in the Interactive Tests. To test it, use the audio device test in the

Other Devices (Diagnostics).

v Video Adapter test supports only the LCD display on ThinkPad. Before running PC-Doctor DOS, detach the external Monitor.

v ZIP Drive test and LS-120 Drive test are only for some models. Some model do not have them.

Diagnostics	I n t e r a c t i v e Te s t s		Hardware Info	U t i l i t y	Quit	F1=Help
Run Normal Test
Run Quick Test
CPU/Coprocessor
Systemboard
Video Adapter
Serial Ports
Parallel Ports
Fixed Disks
Diskette Drives
Other Devices
ZIP Drive
Communication
Memory Test	-	Full
Memory Test	-	Quick
PC -DO CTO R 2 .0 C o p yr ight 2001 PC - Doc tor, Inc . All Ri g hts Reserved.
Use the cursor keys and ESC to move in menus.				Press ENTER to select.

4. Run the applicable function test.

34ThinkPad A20m/p, A21m/p, A22m/p