problem with Brightness, mouse movment and performance

[Y.T_913]

I was playing a game and suddenly it turned off and then i found my laptop to be at full brightness , i tried lowering it down but it was still at full brightness , i looked up and i disabled my driver and then enabled it but nothing happened so i uninstalled it and reinstalled it and the brightness problem is fixed, tried to open the a game again and it closed again after a while , i updated the driver but when i did that the brightness problem came back + the mouse movment is way slower than it used to be , i looked for updates for the windows and i found nothing.

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