Brightness button issue

[Windows Server]

Hello, I have a lenovo Yoga 7 2 in 1 14AHP9, what the main issue i have had is the brightness button on my laptop, I cant turn my brightness down or up, the brightness bar does go up or down when i press the button but nothing happens, it just stays the same until I go to settings and manually turn it up or down.I have already reset my laptop and I checked for updates but i dont have any.Thanks

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