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Microsoft W840DI manual Battery Maintenance, Power Consumption, Users Guide, Page

Models: W840DI

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2.4Battery Maintenance

User's Guide	Battery

2.4Battery Maintenance

To maintain the battery pack's maximum capacity, you should occasionally let the notebook deplete its battery power completely before recharging.

To carry out a complete depletion of the battery, disconnect the AC adapter and let your notebook consume the remaining battery power. To speed up the depletion, use the HDD as much as possible, and the LCD should be set as bright as possible. When the battery is empty, wait for the notebook to cool down (especially the battery). The temperature should be within 15-25°C (59-77°F). Then insert the AC adapter to recharge the battery.

2.5Power Consumption

The Windows™ operating system has incorporated the latest state-of-the-art ACPI (Advanced Configuration Power Interface) power management methodology. In order to fully utilize the power of your battery packs, it would be a good idea for you to spend sometime to acquire a basic understanding of the power management concept from your operating system.

In Windows™ Operating Systems, you can go through Power Options of the Control Panel according to the version of Windows™ Operating System the notebook applies. We shall not describe them in details.

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Microsoft W840DI manual Battery Maintenance, Power Consumption, Users Guide, Page

Contents

Model W840DI First Edition September Notebook PC Users GuidePage TRADEMARKSUsers Guide Windows is the trademark of Microsoft CorporationPage StandardsUsers Guide Page This page is left blank intentionallyUsers Guide User’s Guide CONTENTSContents CHAPTER 2 BATTERYPage APPENDIX A - AGENCY REGULATORY NOTICESContents Users GuideUsers Guide Chapter 1 Before You Begin1.1 Checking What You Received Before You BeginUsers Guide 1.2 Examining Your ComputerPanoramic View Before You BeginPage Top ViewUsers Guide Before You BeginUsers Guide Front ViewRear View Before You BeginBefore You Begin Left ViewCMOS Reset Switch Users GuidePage Right ViewBefore You Begin Users GuidePage Bottom ViewUsers Guide Before You BeginPage Two Types of Audio JackBefore You Begin Users Guidelevel is below 5%, representing insufficient power to turn 1.3 The Power LEDThe system is running on AC power and the battery The system is not connected to AC power and the batteryThe system is in Sleep mode 1.4 The Two System LEDsThe system is off or in hibernation mode The battery is fully chargedThe AC Adapter LED The Wireless LAN LED1.5 The Seven Status LEDs The Media Finger-Touch Button LEDPage The Num Lock LEDBefore You Begin Users GuideBefore You Begin 1.6 The Power ButtonPower Button Users GuideBefore You Begin 1.7 The Two System Finger-Touch ButtonsInternet Button Email ButtonPrevious Track Button 1.8 The Seven Media Finger-Touch ButtonsPlay/Pause Button Stop ButtonPage Before You BeginUsers Guide Page 1.9 Attention On PCI Express And Media Card SlotsUsers Guide Before You BeginPage When no card SD/ MMC/ MS Cards is inserted into the media slot, make sure this slot is covered by the “media slot door” as supplied together with this notebook. The purpose of this “media slot door” is to prevent foreign matters from entering into the system unit through this slot, when no card is inserted. When inserting this “media slot door”, please make sure the arrow is on the topside as shown above. Inserting this door upside down may cause damage to your notebookBefore You Begin Users GuideBefore You Begin 1.10 Operating TemperatureOperating Temperature Users GuidePage 1.11 Resetting Your SystemBefore You Begin Users GuidePage 3 Go into Exit Setup to Exit Saving ChangesUsers Guide Before You BeginPage 1.12 The Fingerprint ReaderBefore You Begin Users GuideWeb Cam Switch Sleep SwitchWireless LAN Switch LCD/CRT/TV SwitchMedia Function Switch Mute/ Un-mute SwitchBluetooth Switch Keyboard Backlight SwitchPage 1 Press this combination Fn+F2 to power on Wireless LANUsers Guide Before You BeginUsers Guide 1.15 Power Conservation For Dual VGA Configuration1.14 The AC Adapter Before You BeginBattery Chapter 2 Battery2.1 Battery Pack 2.2 Recharging The Battery PackPage 2.3 Questions and AnswersBattery Users GuideUsers Guide 2.4 Battery Maintenance2.5 Power Consumption BatteryUsers Guide 2.6 Reducing Power Consumption2.7 Removing The Battery Pack BatteryUsers Guide Chapter 3 MemoryDDR3 S.O. DIMM Memory Module MemoryPage 3.1 Limitation Of 32-bit Windows OSMemory Users GuideMemory 3.2 Removing Memory ModulesBelow is the procedure on how to remove the memory modules Users GuidePage MemoryUsers Guide To insert the memory modules, reverse the steps aboveUsers Guide Chapter 4 The HDD Drives4.1 The Two HDD Sockets The HDD DrivesPage 4.2 For RAID UsersThe HDD Drives Users GuidePage 4.3 For Non-RAID UsersUsers Guide The HDD DrivesUsers Guide 4.4 Removing The Hard Disk DrivesBelow is the procedure on how to remove the hard disk drives The HDD DrivesPage A-1 A.1 Safety InstructionsAppendix A - Agency Regulatory Notices Appendix AUsers Guide Page A-2WARNING DO NOT step on or place anything over the power cord Appendix AAppendix A WARNING THE CD-ROM/DVD-ROM IN THIS NOTEBOOK EMPLOYS A LASER SYSTEMPage A-3 User’s GuideUsers Guide Page A-4Appendix A Appendix A Page A-5User’s Guide Cables A.2 Agency NoticeFederal Communications Commission Notice ModificationsUser’s Guide USA and Canada Safety Requirements And NoticesFCC RF Radiation Exposure Statement Page A-7Avis Canadien Canadian NoticeExplosive Device Proximity Warning Use On Aircraft CautionAppendix A European Union NoticePage A-9 User’s GuideUsers Guide Japanese NoticePage A-10 Appendix AAppendix A DGT Statement U.S. Regulations Governing the Use of ModemsPage A-11 User’s GuideAppendix A U.K. Modem Compliance InformationJapanese Modem Notice Page A-12This modem is only approved for use of the following facilities Page A-13User’s Guide Appendix AUsers Guide Page A-14This page is left blank intentionally Appendix A