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Current local time in United Kingdom – England – London. Get London's weather and area codes, time zone and DST. Explore London's sunrise and sunset, moonrise and moonset. Master screen brightness on Windows 10 and 11 easily. Screen brightness adjustment is an essential feature for any computer user. It impacts not only the visibility of the display but also can have effects on eye strain, battery life, and overall user experience. Steps on how to adjust the brightness or contrast on a Windows laptop, MacBook, and Chromebook using the fn and function keys and in software. Is your PC monitor too bright or too dim? You can easily adjust the screen brightness of your Windows 10 computer in the Settings menu. You can also change the screen brightness in the action center in the taskbar. This wikiHow guide will show you how to adjust the screen brightness in Windows 10.