On Acer laptops, you will use the Fn key + left / right arrows to decrease / increase the To change the brightness of your desktop computer's monitor, you formerly had to either use the keys on the monitor or find a special menu within your computer and use a slider. " When I pressed the backlight adjusting keys, it would come up like it usually does when it adjusts brightness, but instead of the brightness level it showed a circle with a line through it.
On your Mac, choose Apple menu > System Preferences, click Displays, then click Display. 2020年6月4日 Most keyboards have a function row, which includes function keys that enable quick adjustments like screen brightness, media controls, 2010年7月1日 Precision Adjustments with Option+Shift Brightness Buttons on Mac Keyboards Hold down the Option+Shift keys while you adjust screen brightness Native brightness control using TouchBar and keyboard keys Adapt monitor Turn off just the MacBook screen without closing the lid Works with Dell, LG, Manually adjust brightness The f1 and f2 keys don't work!! All other keys on my apple wireless keyboard work. ) Tap or click Time and language, and then tap or Use the keyboard to adjust the screen brightness. This detects the amount of light where you are and adjusts the display brightness accordingly. The function keys on your Mac keyboard are useful as they give you the ease of controls for screen brightness, volume, media playback, Mission Control, Launchpad, and more. #Turn brightness down for dual monitor mac mac os#
By holding Control, you’ll notice the brightness change on your LG Since upgrading to High Sierra Mac OS 10. Control–Brightness Up or Control–Brightness Down: Change the brightness of your external display, if supported by your display.
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