Lenovo G41 manual FRU tests, Following table shows the test for each FRU

Product overview

FRU tests

The following table shows the test for each FRU.

FRU	Applicable test
System board	1.	Diagnostics -->CPU/Coprocessor
	2.	Diagnostics -->Systemboard
Power	Diagnostics -->Other Devices -->AC
	Adapter, Battery 1
LCD unit	1.	Diagnostics -->Video Adapter
	2.	Interactive Tests -->Video
Modem, MDC-2	1.	Make sure the modem is set up correctly.
	2.	Replace the modem jack and the modem
		card in turn, and run the following tests in
		Diagnostics -->Communication:
		a. Lucent Soft Modem Loopback
		b. Lucent Soft Modem Dialtone
Audio	1.	Interactive Tests -->Internal Speaker
	2.	Diagnostics -->Other Devices -->Analog
		Devices AC97 CODEC Test
Speaker	Interactive Tests -->Internal Speaker
PC Card slots	1.	Diagnostics -->Systemboard -->PCMCIA
	2.	Insert a PC Card Wrap Plug into every PC
		Card Slot and run Diagnostics -->
		Systemboard -->PCMCIA External Loop
Keyboard	1.	Diagnostics -->Systemboard -->
		Keyboard
	2.	Interactive Tests -->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. 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
Hard disk drive	Diagnostics -->Fixed Disks
Diskette drive	1.	Diagnostics -->Diskette Drives
	2.	Interactive Tests -->Diskette

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ThinkPad G40, G41 49