Windows 10: How can I re-enable my Display Adapter that I accidentally disabled?

Hello

How can I re-enable my Display Adapter that I accidentally disabled?

Background
I have a Samsung Series 7 Ultra Notebook 128GB SSD 13.3" (model: NP740U3E-S04UK)
13.3" Series 7 Ultra Notebook 128GB SSD NP740U3E | Samsung Support UK
It comes with a AMD Radeon HD 8570M graphics card, plus a built-in Intel HD Graphics 4000.
For some reason my Brightness control suddenly seems to have gone nuts. I stopped being able to control it when the power is plugged in, and when the power is not plugged in the brightness keeps changing for no reason.

So I tried to install an AMD driver thing (AMD Adrenalin 2020) that I found on www.amd.com but it locked computer completely and after all manner of trouble I finally managed to do a System Restore to get rid of the Adrenalin thing.

Then like a fool, I thought I could reinstall the old AMD driver using Device Manager, so I tried to disable the thing using Device Manager. And now even after a reboot I still can't see the AMD Radeon HD 8570 graphics card. I have tried ticking View ==> Show hidden devices... but that didn't help either!

What should I do?

J


PS I am using Window10 version 2004 (OS Build 190411.388)

:)

 

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