Question Lenovo Ideapad S510 keyboard + trackpad stop working after Windows update

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Hello,

my laptop's keyboard and trackpad have stopped working after yesterday's Windows 10 update.

Keyboard is working perfectly when I enter BIOS, however as soon as Windows boots up, it doesn't work.

I tried to update the driver (Synaptics) but that didn't solve the problem.

I restarted the laptop several times after the Win update, to no avail.

Any guidance on how to resolve this issue will be appreciated. Thanks!

 

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Anyone has any clue?

 

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A last attempt to get an answer, I'm really desperate at this point