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If an error code appears, go to “Symptom-to-FRU
index” on page 41.
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 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 Video Adapter test supports only the LCD display on
ThinkPad. Before running PC-Doctor DOS, detach the
external Monitor.
4. Run the applicable function test.
5. Follow the instructions on the screen. If there is a
problem, PC-Doctor shows messages describing it.
6. To exit the test, select Quit — Exit Diag.
Checkout guide
28 ThinkPad A21e