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How to adjust brightness on the LG UltraFine Display with the MacBook Pro's Touch Bar [Video]
One of the perks of using an LG UltraFine Display is its integration with macOS. Instead of a cumbersome, off-putting on-screen display setup, you can control the brightness and volume of the LG UltraFine 4K or 5K Display directly from your Mac. Controlling the display's volume using a Touch Bar shortcut on the MacBook Pro is simple and straightforward, but what if you wish to control the display's brightness from the Touch Bar as well? As you may have noticed, and as we pointed out in our hands-on look at the LG UltraFine 5K Display, adjusting the brightness from the MacBook Pro's Touch Bar will only adjust the brightness of the MacBook Pro's display itself. Instead of having to always go to System Preferences → Displays in order to utilize the brightness slider, you can combine the Touch Bar brightness buttons with a modifier key to direct your commands to the LG UltraFine Display.
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