IBM ThinkPad A21m, Hardware Maintenance Manual

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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
Run Quick Test
v
CPU/Coprocessor
v
Systemboard
v
Video Adapter
v
Serial Ports
v
Parallel Ports
v
Fixed Disks
v
Diskette Drives
v
Other Devices
v
ZIP Drive (*)
v
LS-120 Drive (*)
v
Communication
v
Memory Test – Full
v
Memory Test – Quick
v
Keyboard
v
Video
v
Internal Speaker
v
Mouse
v
Joystick Test
v
Diskette
v
System Load
v
CD-ROM/DVD Test
v
Stereo Speaker
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 Quit I n t e r a c t i v e Te s ts Hardware Info U t i l i t y F1=Help
Run Quick Test
Run Normal Test
Systemboard
CPU/Coprocessor
Video Adapter
Serial Ports
Diskette Drives
Fixed Disks
Parallel Ports
Other Devices
ZIP Drive
Communication
Memory Test - Full
Memory Test - Quick
Use the cursor keys and ESC to move in menus. Press ENTER to select.
PC-DOCTOR 2.0 Copyright 2001 PC-Doctor, Inc. All Rights Reserved.
4. Run the applicable function test.
Checkout guide
34
ThinkPad A20m/p, A21m/p, A22m/p