LG Electronics LW20 service manual Ch3. System information Status indicators

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Ch3. System information

Status indicators

The system status indicators show the status of the computer

1.

2.

3.

4.

5.

6.

1.Num lock

Num lock indicator lights up when Num lock key is pressed.

By pressing Fn + Scr LK (Num LK) key, you can use the embedded numeric keys. To disable the embedded numeric keys, press Fn + Scr LK (Num LK) key again.

-The Num Lock indicator is off while an external keyboard is connected if OSD keyboard setup is configured not to use embedded keypad with an external keyboard connection.

2.Caps lock

Caps lock indicator lights up when the Caps lock key is pressed.

When this indicator lights up, you can type capital letters without pressing the Shift key.

3.Drive in use

Drive in use indicator lights up when data is being written to or read from the hard disk or optical disk drive.

-Do not turn off the power when Drive in use indicator is on. It may result in loss of data in the hard disk.

4.Wireless activity indicator Off: Wireless LAN is not in use.

Blinking(3-4 Seconds): Searching for Access point for Wireless LAN Connection.

Blinking (short interval): Data is transferring with Wireless LAN is on.

5.Power

Power status indicator indicates the following status of the computer. Off: The computer is turned off or is in hibernation mode.

On: The computer is turned on.

Blinking: The computer is in standby mode.

6.Battery status indicator

Orange light: Battery is being charged.

Orange light/ Blinking (Green): Battery is being charged - battery is remaining more than 90% of its maximum capacity.

Off: Battery is being discharged.

Green: Battery is fully charged or empty while the AC adapter is connected.

Blinking (Green): Battery is remaining less than 10%, or being discharged.

Blinking (Red): A battery error occurs.

-The Battery indicator blinks as you have set the alarm action from the Battery miser 2005.

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Contents LW20 LG Electronics Page Ch1. Service information Before replacing parts„ Strategy for replacing a hard-disk drive 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 Ch1. Service information Laser compliance statement Backup Standby RTC battery safety informationCh1. Service information Read this first „ What to do firstImportant Notes Followings are not covered under warranty „ Rear view Ch2. Locations„ Front view Security key hole Kensington LockCh2. Locations „ Left view „ Right viewEmergency eject hole „ Specification Ch3. System informationDiagram SystemInformation Ch3. System information „ Fn key combinations Location with Fn + F7 combinationCh3. 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 Ch3. System information „ Advanced menu „ Security menuCh3. System information „ Boot menu „ Exit menuCh4. Symptom-to-part index „ Power system checkoutPin Voltage V dc +18.0 ~ +19.2 Ground Ch4. Symptom-to-part index Ch4. Symptom-to-part index + 4 3 2 Ch4. Symptom-to-part index „ Numeric error codes Symptom / Error FRU or action, in sequenceDMA 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 Removing and replacing a part FRU Ch5. Removing and replacing a partCh5. 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 Part lists Ch6. 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