laptops built-in keyboard drivers just gone and nothing is working no matter what i try- please respond ( needed for university )

[Aidin .]

hi, i recently updated windows but after the update my lenovo thinkpads keyboard driver just vanished, like FULLY gone, theres no signs of it and my laptop does not detect that anything is wrong despite it being missing, ive tried everything, the registry editor, command prompt and even the device manager, its in the hidden section, but it say its code 45 and that its somehow a hardware issue despite me checking and finding nothing wrong, even factory resets and restore points do nothing, its not overheating and theres pretty much no dust, also no other drivers are glitched or corrupted also i

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