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Then select the "Display Adaptors" in the interface, Search for device manager in win search box,
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If brightness not working windows 10 after update, we can try this. I hope you can try the following methods when encounter problems.
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Sometimes the laptop brightness control not working. As long as you see these two icons on your notebook, you will know how to adjust laptop brightness. The keys to adjust the brightness are generally a sun and a triangle pattern. Different brands of laptop may have different brightness hotkeys. The two keys can be used to adjust the brightness of the laptop. There will be two "sun" icons in the keyboard of a laptop,usually the "F5" key and "F6" key. So how to fix my brightness keys not working windows 10? I can't seem to use the F1 and F2 keys at all to adjust the brightness. I'm having issues with the brightness slider missing.
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