Try using MSI Afterburner, I've used the AMD Adrenaline 2020 and it doesn't work to well, like when I try to overclock my gpu with the AMD Adrenaline, it doesn't work too often, so I tried MSI Afterburner and my clocks are what I want them to be. So try MSI Afterburner
Website (Scroll Down to find Download): Afterburner
Download Link (Just in case you're feeling lazy to look): http://download.msi.com/uti_exe/vga/MSIAfterburnerSetup.zip