LG Electronics LW20 service manual Ch3. System information Fn key combinations

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Ch3. System information

Fn key combinations

The following table shows the function of each combination of Fn with a function key. Function of Fn keys has nothing to do with Operating System.

	[Fn] + [F1]	User defined Hot key. (available from OSD Setting)

	[Fn] + [F2]	User defined Hot key. (available from OSD Setting)

	[Fn] + [F3]	User defined Hot key. (available from OSD Setting)

	[Fn] + [F4]	Forces the computer to enter power-saving mode. (ex: system standby and hibernation)

		Press the combination once to disable the touch pad, and press again to enable the touch pad.
	[Fn] + [F5]	(The touch pad initialization takes 1~2 seconds, so wait for the initialization to end before using
		the touch pad)

	[Fn] + [F6]	Wireless LAN Enable/Disable Toggle.

		Monitor toggle.
		When the computer is attached to an external monitor, you can change the display output
	[Fn] + [F7]	location with [Fn] + [F7] combination.
		You can switch to and from the three types of display modes, LCD display only, the external
		monitor only, or both at the same time.

		Audio Enable/disable
	[Fn] + [F8]	•Refer to Battery Miser 2005 Help.
		•Refer to Battery Miser 2005 Help.

		LCD Auto Brightness control Enable/Disable.
	[Fn] + [F9]	Enable/disable Auto Brightness control. (ON/OFF)
	[Fn] + [F9]	•Refer to Battery Miser 2005 Help.
		•Refer to Battery Miser 2005 Help.

	[Fn] + [F10]	System information.

	[Fn] + [F11]	CPU Cooling Fan control mode (Normal / Slow / Fast).

	[Fn] + [F12]	Maximum power-saving mode. (When OSD is installed.)

	[Fn] + Home	Darken the LCD (8 Steps).

	[Fn] + End	Brighten the LCD (8 Steps).

	[Fn] + Scr Lk	Num Lock
	[Num Lk]	Num Lock
	[Num Lk]

	[Fn] + [Delete]	Insert

	Fn + PgUp (Prt	Print Screen
	Sc Sys Rq)	Print Screen
	Sc Sys Rq)

	Fn + PgDn	Pause
	(Pause Break)	Pause
	(Pause Break)

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Contents LW20 LG Electronics Page „ Strategy for replacing a hard-disk drive Ch1. Service informationBefore replacing parts Ch1. Service information Safety notices Ch1. Service information Safety information „ General safety Ch1. Service information „ Electrical safety Ch1. Service information Ch1. Service information „ Safety inspection guide „ Grounding requirements Backup Standby RTC battery safety information Ch1. Service information Laser compliance statementImportant Notes Ch1. Service information Read this first„ What to do first Followings are not covered under warranty „ Front view Ch2. Locations„ Rear view Security key hole Kensington LockEmergency eject hole Ch2. Locations „ Left view„ Right view Ch3. System information „ SpecificationInformation DiagramSystem Location with Fn + F7 combination Ch3. System information „ Fn key combinationsCh3. System information „ Status indicators Ch3. System information „ Bios Flash Ch3. System information „ Bios Setup Ch3. System information „ Using the keys Ch3. System information „ Main menu „ Security menu Ch3. System information „ Advanced menu„ Exit menu Ch3. System information „ Boot menu„ Power system checkout Ch4. Symptom-to-part indexPin Voltage V dc +18.0 ~ +19.2 Ground Ch4. Symptom-to-part index Ch4. Symptom-to-part index + 4 3 2 Symptom / Error FRU or action, in sequence Ch4. Symptom-to-part index „ Numeric error codesDMA test failed System board 02F6 02F7 Ch4. Symptom-to-part index „ Error message Ch4. Symptom-to-part index „ LCD-related symptoms Ch4. Symptom-to-part index „ Indeterminate problems Ch5. Removing and replacing a part Removing and replacing a part FRUCh5. Removing and replacing a part Battery Pack Ch5. Removing and replacing a part Hard Disk Drive Ch5. Removing and replacing a part Optical Disk Drive Ch5. Removing and replacing a part Retainer Disconnect Retainer Connector Remove Retainer Ch5. Removing and replacing a part Keyboard Remove Keyboard Ch5. Removing and replacing a part Display Module Ch5. Removing and replacing a part Key Deck Disconnect Touchpad Connector Remove Key Deck Ch5. Removing and replacing a part Sub B/D Ch5. Removing and replacing a part Speaker Ch5. Removing and replacing a part Fan Assembly Ch5. Removing and replacing a part Main Board Ch5. Removing and replacing a part 1SZZBA4101A Ch5. Removing and replacing a part 1SZZBA4104A Remove 4 Screws FRU No Specification Qty Remove Inverter Disconnect LED Sub Board Connector 1SZZBA4041A D3.5 X L3.0 Ch5. Removing and replacing a part D3.5 X L3.0 Disconnect LCD Cable Ch6. Part lists Part listsNPLT2 NNOB2 NCAB5 Korea Windriver Sunrex 84KEY Silver NKBD2 Norway Silver Windriver Sunrex NKBD2 LW20 LW20 1SZZBA4017F 1SZZBA4097B Plate Windriver HDD Korea Windriver Sunrex 84KEY KBD Assembly Korea Windriver Sunrex 84KEY Silver KBD Assembly 1SZZBA4097B 1SZZBA4080A NCAB3 NFAN2 Plate Windriver ODD BAY NFRM1 LW20 RH80536GE0462M LG Intel 478P Ufcpga IC,MICRO NSHT3 Windriver Rubber Display Front Upper Cushion Windriver 6.5 KGF-CM Hinge Left Latchless LW20 Hitachi Wireless L Windriver Antenna NANT2 Windriver SUS LCD Left 0.5T 12.1INCH Bracket