First uninstall all of AMD Catalyst Insall Manager before doing any of this, download CCleaner and Driver Sweeper clean out the registry with both tools.
Go to Control Panel->Appearance and Personalization->folder options->View Tab->click on Show Hidden files, folders and drives
close out of all of them.
Then go to your name folder or start and search for ->AppData folder->Local delete ATI folder and AMD folder.
go back to AppData->Roaming and delete ATI folder
close out of Roaming folder
Next go to My Computer or Computer->(C: ) delete AMD folder
Go to Program Files(x86) and Program and delete any ATI or AMD folders like AMD APP folder, AMD folder, ATI Technologies these need to be delete
Then stay in both the Program Files folders->Common Files and delete AMD and ATI Techologies in both common Files folders
Go back to (C: )->ProgramData and delete AMD folder and ATI folder
This part is important guys.
Go back again to (C: )->Windows->System32->DriverStore->FileRepository
And delete this files
if your computer say Access Denied
Download Take Ownership
reinstall Catalyst Software Suite 12.3
then install Catalyst software Suite 12.6
07:32 AM by