Lenovo 28155YU, 28155XU, 2808DKU manual FRU tests continued, Applicable test

Table 1. FRU tests (continued)

FRU	Applicable test
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 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
Optical drive	1.	Diagnostics -->Other Devices-->Optical Drive
	2.	Interactive Tests -->Optical Drive Test
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.
Fan	1.	Turn on the computer and check the air turbulence at the
		louver near the PC Card slot.
	2.	Run Diagnostics -->ThinkPad Devices -->Fan.
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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