IBM X24 manual ThinkPad X20, X21, X22, X23

Modem	1. Make sure the modem is set up
		correctly.
	2. Replace the modem jack and the
		modem card in turn, and run the
		following test in Diagnostics --> Other
		Devices.
		a. Lucent Modem (M2) Loopback
		b. Lucent Modem (M2) Dialtone/DTM
		c. Lucent Soft Modem Loopback
		d. Lucent Soft Modem Dialtone
		e.	Intel Modem Register
		f.	Intel Modem Loopback/DTMF
		g. Intel SP Modem Register
		h. Intel SP Modem Loopback/DTMF
		i. 3Com MiniPCI Modem Test
		j. 3Com MiniPCI Dialtone Test
Audio	1. Interactive Tests -->Internal Speaker
	2.	Diagnostics -->Other Devices -->
		Crystal SoundFusion Test
Speaker	Interactive Tests -->Internal Speaker
PC Card slots	Diagnostic -->System Board -->PCMCIA,
	PCMCIA External Loop
Keyboard	1.	Diagnostics -->System Board -->
		Keyboard
	2. Interactive Test -->Keyboard
TrackPoint or	If the TrackPoint does not work, check the
pointing device	configuration in the ThinkPad Configuration
	program. If the TrackPoint is disabled, select
	Enable to enable it.
	After you use the TrackPoint, the pointer
	may drift on the screen for a short time. This
	drift can occur when a slight, steady
	pressure is applied to the TrackPoint pointer.
	This symptom is not a hardware problem.
	No service action is necessary if the pointer
	stops after a short time
	If enabling the TrackPoint does not correct
	the problem, continue with the following.
	v Interactive Tests --> Mouse
Hard disk drive	Diagnostics -->Fixed Disks
Diskette drive	1. Diagnostics -->Diskette Drives
	2. Interactive Tests -->Diskette
CD-ROM or DVD	1.	Diagnostics -->Other Devices -->
drive
		CD-ROM/DVD
	2.	Interactive Tests -->CD-ROM/DVD
		Test

46ThinkPad X20, X21, X22, X23, X24