Hello, I recently purchased the mension laptop and it has an AMD GPU other than the integrated HD graphics, I have windows 8.1 installed, an original copy, at first I couldn't change the brightness due to a driver problem, I installed updated drivers for both adaptors but the AMD says "windows has stopped this device because it has reported a problem (Code:43)", I click update driver but it says the best driver is already installed. I have downloaded Catalyst Control centre, although it didn't work right away, I can't use it to correct this problem.
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