10 ways improve laptops battery

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    14 Ways to Extend Laptop and Tablet Battery Life [Updated]By Rich on March 18, 2012 (23 Comments)

    If you use your laptop or tablet on battery power, youll know

    how annoying it is to lose battery power at the worst time.

    While I cant guarantee your PC will lose power at a more

    convenient time, I can offer 14 ways to improve your battery life.

    Learn, in this guide, how to save power when running on batteries.

    Note: This guide is written for Windows 7 but most tips apply for

    Windows Vista

    Save Battery Power

    Here are some ways to save your batterys power. You dont need

    to apply all these tips but every little helps.

    1. Turn Down Screen Brightness

    To turn down screen brightness, click the battery icon in the system tray and clickAdjust screen brightness.

    Slide the brightness slider to the left until you can comfortably see the screen and its dimmest setting.

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    2. Cut Down on Background Applications

    Many background applications dont need to run and only increase CPU cycles and, in turn, the demand on

    battery. Heres a couple of things you can do to cut down on background applications:

    2a. Disable Windows Sidebar Gadgets

    If you dont use the sidebar, you probably have it disabled already (right click the Windows Sidebar icon in

    system tray and clickExit.)

    If you use the Windows Sidebar, do you really need all your gadgets running when youre on battery power

    disable Windows Sidebar gadgets:

    Click the Startbutton and clickControl Panel. Typegadget in the top-right search box, and clickView list o

    running gadgets.

    Next to the running gadgets, click remove.

    2b. Diable Startup applications

    To disable uneccessary startup applications, follow this guide.

    3. Disable Your Wireless Internet & Bluetooth

    If youre not using the internet or Bluetooth, consider disabling the hardware to save battery power. To disa

    your wireless, bluetooth, or both cards, either:

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    A. Locate the switch on the side of your laptop (many now have this) and turn your wirelesss cards off.

    or

    B. Click the network icon in the system tray and clickOpen Network and Sharing Center.

    In the left-hand menu, clickChange adapter settings.

    Right click your wireless connection and clickDisable.

    Repeat for your Bluetooth device.

    4. Disable Screensavers

    Screensavers use CPU when your PC is idle. To disable your screensaver:

    Right click the Desktop and clickPersonalize.

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    ClickScreen Saver.

    In the drop down list, select (None) and clickOK.

    5. Change Power Options

    You what your computer does to save power when idle. To do so, click the battery icon in the system tray an

    clickMore power options.

    Select Power saverand clickChange plan settings.

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    Lower the time it takes for your computer to dim the display, turn off the display, and sleep when on battery.

    ClickChange advanced power settings to fine tune your power-saving preferences.

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    6. Adjust Visual EffectsVisual effects also use CPU and memory and this drains your battery. To lower the effects and save battery

    Click the Startbutton, clickControl Panel, and type visualin the top-right search box. ClickAdjust the

    appearance and performance of Windows.

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    SelectAdjust for best performance and clickOK.

    7. Turn off Windows Aero

    Windows Aero enables the glass effect you see on your Windows. This (surprise surprise) also uses CPU an

    memory and should be disabled to save battery. To disable Windows Aero:

    Right click the desktop and clickPersonalization. ClickWindow Color.

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    UncheckEnable transparency and clickOK.

    8. Disable the Search Index

    The search index indexes your files for quick searching. This is a convenience but comes at a great cost to b

    life when its running. To save power, consider disabling the search index. To disable the search index:

    Click the Startbutton, clickControl Panel, and type index in the top-right search box. ClickChange how

    Windows searches.

    ClickModify.

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    Remove all locations by unchecking them and clickOK.

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    9. Keep Your PC Cool

    The hotter your PC gets, the harder your fans have to work to keep it cool. To minimize the power drawn by

    fans, keep your PC cool. If using it on your lap or on a pillow, ensure there is proper ventilation. Never use y

    PC on a blanket or soft surface where airflow is restricted. This will also keep your hardware working longe

    hardware is less likely to overheat and fail.

    10. Only Use Your Screen When You Need it

    This tip links back to tip number 5. When in the power options, clickChoose what closing the lid does. I al

    set the lid closing to do nothing and the power button to put the laptop to sleep. This way, when Im taking a

    break, I can put my laptop lid down (which turns off the display and saves power) without my laptop going t

    sleep. Im also lucky because my laptop has aDisplay button that, when pressed, turns off my display. I fou

    button very useful when I sat in class and didnt need to use my laptop but didnt want to close and open the

    repeatedly.

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    11. Disable Automatic Program Updates

    Many programs like iTunes, Java etc. come with their own auto updating software. These programs frequent

    communicate with update servers and, collectively, can take a toll on battery life. Its important to keep soft

    up to date; however, you should consider disabling update checkers for software installed on your PC. Good

    software lets you disable this behavior when you install it; some software may require a little bit of digging t

    disable automatic update checking.

    Heres how to stop Java checking for updates:

    Click the Startbutton and clickControl Panel. When the Control Panel loads, typejava in the search box, a

    clickJava:

    On the Update tab, uncheckCheck for Updates Automatically:

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    ClickNever Check:

    Note: Ive noticed the scheduled task for Java update checking is often left behind.

    To remove the task:

    Click the Startbutton, typetask, and click on Task Scheduler

    When the task Scheduler loads, clickTask Scheduler Library in the left pane

    In the right pane, look for theJava Update task, right click it, and clickDisable:

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    12. Remove Peripherals and Media

    CDs spinning in drives, external hard disk drives, memory cards in slots, and even a plugged in USB thumb

    all drain power at varying levels. Remove all external drives, cards, and CDs to save battery power and the li

    your machine.

    13. Add more RAM

    I just added 1GB of RAM to a netbook and I noti