IBM X20, X23, X24, X22, X21 manual Run the applicable function test

Notes:

vIn the Keyboard test in Interactive tests, the Fn key is scanned only once. Because of this, each key should be held down for at least 2 seconds or it will not be sensed.

vThe 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).

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

vTo test ZIP Drive or LS-120 Drive, each media is needed to be inserted before start testing.

vWireless LAN test is only for some models. Some model do not have them.

vTo test Digital Signature Chip, the chip must be enabled and initialized.

vWhen legacy Floppy Drives is Enabled in the BIOS Setup Utility, Diskette Drives test is activated even if no diskette drive is attached to the ThinkPad.

vThere are 5 kinds of modem test in Other Devices test menu. Please check first which modem device you want to test as belows.

Lucent Modem (M2) Loopback	Lucent Modem
Lucent Modem (M2)
Dialtone/DTMF
Lucent Soft Modem Loopback	Software Modem used in
	Wireless Combo Card
Lucent Soft Modem Dialtone
Intel Modem Register	Intel combo / Xircom Depop
	Combo Card
Intel Modem Loopback/DTMF
Intel SP Modem Register	Intel SP Combo Card
Intel SP Modem
Loopback/DTMF
3Com MiniPCI Modem Test	3Com Combo Card
3Com MiniPCI Dialtone Test

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. To cancel the test, press Esc.

Note: After executing PC-Doctor, check the system time/date and reset them if needed.

34ThinkPad X20, X21, X22, X23, X24