IBM MT 2631, A21M, A22P, A22M, A21P, A20M manual Applicable test

		Product overview
FRU	Applicable test
CD-ROM or	1.	Diagnostics -->Other Devices -->
DVD drive		CD-ROM/DVD
	2.	Interactive Tests -->CD-ROM/DVD Test
Memory	1.	If two DIMMs are installed, remove one of
		them and run Diagnostics -->Memory
		Test - Quick.
	2.	If the problem does not recur, return the
		DIMM to its place, remove the other one,
		and run the test again.
	3.	If the test does not detect the error, run
		Diagnostics -->Memory Test - Full.
Fan	1.	Turn on the computer and check the air
		turbulence at the louver near the power
		switch.
	2.	Run Diagnostics -->Other Devices -->
		IBM Fan.

ThinkPad A20m/p, A21m/p and A22m/p 47