1 | Normally if you go to Application>Other>ATI Catalyst Control Center the programm will appear as the picture by you cannot change anything |
2 | To let it works just simply go to Terminal by Applications > Accessories > Terminal |
3 | Then type sudo amdcccle and input the password |
4 | Now the Catalyst Control Center is able for you to modify and you can now change the option of your screen! |