Fujitsu A531, AH531 manual LCD screen, Example, Background lighting

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Working with the notebook

LCD screen

High-quality TFT displays are installed in notebooks from Fujitsu Technology Solutions GmbH. For technical reasons, TFT monitors are manufactured for a speciﬁc resolution. An optimal, clear picture can only be ensured with the correct resolution intended for the relevant TFT monitor. A monitor resolution which differs from the speciﬁcation can result in an unclear picture.

The screen resolution of the LCD monitor of your notebook is optimally set at the factory.

The standard of production techniques today cannot guarantee an absolutely fault-free screen display. A few isolated constant lit or unlit pixels (picture elements) may be present. The maximum permitted number of pixels faults is stipulated in the international standard ISO 9241-3 (Class II).

Example:

A monitor with a resolution of 1280 x 800 has 1280 x 800 = 1024000 pixels. Each pixel consists of three subpixels (red, green and blue), so there are almost 3 million subpixels in total. According to ISO 9241-3 (class II), a maximum of 2 light and 2 dark pixels and an additional 5 light or 10 dark subpixels or a corresponding mix may be defective (1 light subpixel counts as 2 dark subpixels).

Pixel	A pixel consists of 3 subpixels, normally red, green and
	blue. A pixel is the smallest element that can be generated
	by complete functionality of the display.
Subpixel	A subpixel is a separately addressable internal structure
	within a pixel that enhances the pixel function.
Cluster	A cluster contains two or more defective pixels or
	subpixels in a 5 x 5 pixel block.

Background lighting

TFT monitors are operated with background lighting. The luminosity of the background lighting can decrease during the period of use of the notebook. However, you can set the brightness of your monitor individually.

Synchronising the display on the LCD screen and an external monitor

For more information, please refer to the chapter "Key combinations", Page 25 under "Display output, switch between".

Fujitsu Technology Solutions

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Contents Lifebook A531 Lifebook AH531 Page Page Copyright Lifebook A531 Lifebook AH531 Page Contents Removing and installing components during servicing Regulatory information for notebooks without radio device Contents Innovative technology Further informationInnovative technology Not switch off the device Notational conventionsThis font Ports and controls Ports and controlsFront Right-hand side Ports and controls Left panelPorts and controls Underside Safety notes Important notesImportant notes Additional safety notes for devices with radio components Energy savingEnergy saving under Windows Before you travel Travelling with your notebookCleaning the notebook First-time setup of your device First-time setup of your deviceUnpacking and checking the device Selecting a location Mains adapter connectingSwitching on the device for the ﬁrst time Status indicators Working with the notebookWorking with the notebook Power-on indicator/Standby Wireless components indicatorBattery charging indicator/power connector Drive indicatorSwitching on the notebook + = KeyboardTab key Key Working with the notebook Description Backspace keyEnter key return Caps Lock keyVirtual numeric keypad Switching the wireless components on / off Separate numeric keypad device-dependentKey combinations Switch between open applications Power management functionsDisplay if an external monitor is connected Windows security/Task-ManagerCountry and keyboard settings Touchpad and touchpad buttonsMoving the pointer Switching the Touchpad on and off Executing commandsSelecting an item Dragging itemsLCD screen ExampleBackground lighting Webcam Rechargeable batteryRemoving and installing the battery Charging, caring for and maintaining the batteryMonitoring the battery charging level Battery storageRemoving the battery Handling data carriers Optical driveInserting or removing a data carrier CD/DVD indicatorManual removal emergency removal Using the power-management features Memory cards Supported formatsInserting the memory card Removing the memory card Inserting the card ExpressCardsRemoving the card Loudspeakers and microphonesSIM card devices with Umts module Inserting the SIM cardRemoving the SIM card Switching the wireless components on and off Wireless LAN / Bluetooth / UmtsSetting up Wlan access Access via UmtsEthernet and LAN Security functions Use Kensington LockSecurity functions Protecting Bios Setup Utility supervisor and user password Conﬁguring password protection in Bios Setup UtilityChanging the supervisor or user password Password protection for booting of the operating systemActivating hard disk protection Password protection for the hard diskConnecting external devices Connecting external devicesConnecting devices to the notebook Disconnecting devices from the notebookHdmi port Connecting an external monitorConnecting USB devices How to remove USB devices correctlyDevice drivers Connecting external audio devices Microphone port/LineHeadphone port Removing and installing components during servicing Removing and installing components during servicingPreparing to remove components Installing and removing memory expansionRemoving memory modules Removing the coverSecuring the cover Installing a memory moduleRemoving a cover Removing and installing the hard diskRemoving a hard disk Installing a hard disk Attaching the cover Finishing component removalStarting the Bios Setup Utility Settings in Bios Setup UtilityOperating Bios Setup Utility Settings in Bios Setup UtilityExiting Bios Setup Utility Load Setup Defaults Copy Standard EntriesSave Changes and Power Off Troubleshooting and tips Troubleshooting and tipsRestoring the hard disk contents under Windows Help if problems occurTroubleshooting and tips Cause Cause TroubleshootingLCD screen is difﬁcult to read External monitor is blank or the image is unstable External monitor remains blankLeave energy saving mode Printer does not print Radio connection to a network does not workAcoustic warnings Error message/cause Resolution Error messages on the screenPrevious boot incomplete Default conﬁguration Mains adapter 80 W Technical dataPower adapter, 65 W Energy Star Manufacturer’s notesDisposal and recycling Declarations of ConformityRegulatory notices CE markingRegulatory information for notebooks without radio device CE marking for devices with radio componentManufacturer’s notes Avis Aux Utilisateurs Du Réseau Téléphonique Canadien DOC Industry Canada noticesFor Authorized Repair Technicians Only UL NoticeFederal Communications Commission statement FCC regulatory information for notebooks with radio deviceFCC Interference Statement FCC Radio Frequency Exposure statementExport restrictions Manufacturer’s notes Regulatory Information/DisclaimersFault IndexIndex Handling Index Switch