How to Control the Backlight on an iPad (6 Steps)

Tap the 'Settings' icon on the iPad's home screen. Select 'Wallpapers & Brightness.'
Slide the 'Auto-Brightness' switch to 'Off.'
Drag the slider left to dim the screen's brightness. Drag the slider right to brighten the screen.
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How to Change an iPad Home Screen

Tap the 'Settings' icon on your Home page. The Settings preferences menu opens.
Tap the 'Brightness & Wallpaper' tab. The new screen loads.
Tap the icon of the Wallpaper section to select it.
Select 'Wallpaper' or 'Saved Photos' from the page that loads to locate a background. A list of wallpaper or photo thumbnails appears.
Tap the thumbnail of the image you want to use. The image loads to a preview window.
Tap the 'Home Screen' button of the preview window to set the image as your background.
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