IBM T21 Laptop User Manual


 
If an error code appears, go to Symptom-to-FRU
indexon 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-120/240 Drive
v Communication
v Wireless LAN(*)
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
v 802.11 Wireless Radio
Test(*)
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 in
Diagnostics.
v Video Adapter test supports only the LCD display on
ThinkPad. Before running PC-Doctor DOS, detach the
external Monitor.
v To test ZIP Drive or LS-120/240 Drive, each media is
needed to be inserted before start testing.
v Wireless LAN test and 802.11 Wireless Radio Test is
only for some models. Some models do not have
them.
v To test Digital Signature Chip, the chip must be
enabled and initialized.
v When Legacy Floppy Drives is Enabled in the IBM
BIOS Setup Utility, Diskette Drives test is activated
even if no legacy diskette drive is attached to the
ThinkPad.
Checkout guide
General descriptions 33