Monday, April 15, 2013

Adjust your monitor's brightness and contrast

Applies to window 7

  
You can adjust the brightness and contrast of your monitor to improve the readability of text and to make digital pictures appear more like they'll look when printed.
To improve the results when adjusting the brightness and contrast settings for your display, use Display Color Calibration. (Display Color Calibration helps you adjust these color settings and others.) For more information about calibrating your display color in Windows, see  calibrate your display
The way you adjust brightness and contrast varies and depends on your specific display.
  • Brightness and contrast buttons on the front of the monitor. Some monitors have brightness and contrast controls on the front and use the standard symbols shown in the following image.
    Illustration of brightness and contrast symbolsBrightness and contrast symbols
  • On-screen menu. You can change the brightness and contrast settings for some displays by using an on-screen menu, and then setting the brightness and contrast in the resulting menu. Many times, you can view the on-screen menu by pressing a button—possibly labeled Menu—on the front of the monitor.
  • Laptop display. Laptop displays don't have brightness or contrast buttons on the front. For a majority of laptops, there isn't a control for setting the contrast. However, you can set the brightness of many laptops by pressing and holding the Fn key, and then pressing a function key to decrease brightness (Picture of the Decrease brightness button) or increase brightness (Picture of the Increase brightness button). When using Display Color Calibration on a laptop, set the display to the maximum brightness setting.
     

    Adjusting brightness automatically using adaptive brightness

     

    Adaptive brightness is a feature in Windows that uses a light sensor to automatically adjust the display brightness to match the lighting conditions in your computer's surroundings. To use adaptive brightness, you must have light sensors installed and enabled on your computer.
    To determine if your laptop or computer monitor supports adaptive brightness, look for the Enable adaptive brightness setting in Power Options (mentioned in the following procedure) or check the information that came with your computer.

    To turn adaptive brightness on or off

    1. Open Power Options by clicking the Start button Picture of the Start button, clicking Control Panel, clicking System and Security, and then clicking Power Options.
    2. Under any plan, click Change plan settings.
    3. Click Change advanced power settings.
    4. In the list, expand Display, and then expand Enable adaptive brightness.
    5. To turn adaptive brightness on or off when your computer is running on battery power, click On battery, and then, in the list, click On or Off.
    6. To turn adaptive brightness on or off when your computer is plugged into an outlet, click Plugged in, and then, in the list, click On or Off.
    7. Click Apply. Click OK.

    Note

    • Adaptive brightness is not available in all editions of Windows 7.

     

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