Lenovo 019726U manual FRU tests, Following table shows the test for each FRU

FRU tests

The following table shows the test for each FRU.

Table 1. FRU tests

FRU	Applicable test
System board	1.	Diagnostics -->CPU/Coprocessor
	2.	Diagnostics -->Systemboard
Power	Diagnostics -->ThinkPad Devices -->AC Adapter, Battery 1
	(Battery2)
LCD unit	1.	Diagnostics -->Video Adapter
	2.	Interactive Tests -->Video
Audio	Enter the BIOS Setup Utility and change Serial ATA (SATA) setting
	to Compatibility, and run Diagnostics -->Other Device -->
	Conexant Audio
Speaker	Interactive Tests -->Internal Speaker
	Note: Once Audio test is done, the no sound is heard this test. In
	this case, turn off and turn on the computer. Then, run this test
	again.
Keyboard	1.	Diagnostics -->Systemboard -->Keyboard
	2.	Interactive Tests -->Keyboard
Hard disk drive or	Enter the BIOS Setup Utility and change Serial ATA (SATA) setting
solid state drive	to Compatibility, and run Diagnostics -->Fixed Disks
	You can also diagnose the drive without starting up the operating
	system. To diagnose the drive from the BIOS Setup Utility, do as
	follows:
	1.	Remove any diskette from the diskette drive, and then turn off
		the computer.
	2.	Turn on the computer.
	3.	While the message, “To interrupt normal startup, press Enter,”
		is displayed at the lower left of the screen, press F1 to enter
		the BIOS Setup Utility.
	4.	Using cursor keys, select HDD diagnostic program. Press
		enter.
	5.	Using cursor keys, select Main hard disk drive.
	6.	Press Enter to start the diagnostic program.
Diskette drive	1.	Diagnostics -->Diskette Drives
	2.	Interactive Tests -->Diskette
Memory	1.	If two DIMMs are installed, remove one of them and run
		Diagnostics -->Advanced Memory Tests.
	2.	If the problem does not recur, return the DIMM to its place,
		remove the other one, and run the test again.
TrackPoint or pointing	If the TrackPoint does not work, check the configuration as
device	specified in the BIOS Setup Utility. If the TrackPoint is disabled,
	select Automatic 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. If the pointer stops after a short time, no
	service action is necessary.
	If enabling the TrackPoint does not correct the problem, continue
	with the following:
	v Interactive Tests -->Mouse

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