Screen brightness won't change and windows doens't detect second monitor anymore



Hi, this is a problem that happened earlier this year, where everything is fine in my laptop, i restart it so i can fix some wacom tablet driver errors, and suddenly, the screen's brightness is on its lowest and i can't change it, and also my second monitor is no longer regconized, when this happened before, i tried everything i could think of, updating drivers, using old drivers, doing a clean reinstall of the drivers and etc, but nothing worked, so i just gave up, after a few weeks had passed, when i turned on my laptop again, it just fixed itself, everything was back to normal for no reason

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