Lenovo X300 manual FRU tests, The following table shows the test for each FRU

FRU tests

The following table shows the test for each FRU.

Table 9. FRU tests

FRU	Applicable test
System board	1.	Diagnostics -->CPU/Coprocessor
	2.	Diagnostics -->Systemboard
	3.	Place the computer on a horizontal surface, and run
		Diagnostics -->ThinkPad Devices -->HDD Active Protection
		Test.
		Note: Do not apply any physical shock to the computer while
		the test is running.
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 Devices -->
	Analog Devices HDA CODEC Test
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.
PC Card slot	Diagnostics -->Systemboard -->PCMCIA
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 the
		blue ThinkVangate button,” 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 or Ultrabay
		hard disk drive.
	6.	Press Enter to start the diagnostic program.
Diskette drive	1.	Diagnostics -->Diskette Drives
	2.	Interactive Tests -->Diskette
DVD drive or	1.	Diagnostics -->Other Devices-->Optical Drive
DVD/CD-RW combo	2. Interactive Tests -->Optical Drive Test
drive
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.

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