I will change gamma and brithness but error message when i click on additional settings, why ?
Please use the 'search' facility, this question has already been discussed several times.
Radeon Additional Settings will ONLY load if there are changeable settings that apply to your specific configuration.
But this settings can i changes before i reinstall my computer,
Since you have not provided any of the essential INFORMATION REQUIRED WHEN POSTING A QUESTION , I am unable to comment.
What settings are you specifically looking for ?
Retrieving data ...