Click the “System Preferences” icon in the Dock or choose Apple menu > “System Preferences”.Please refer to the guide below to install the virtual audio cable: If the installer does not pop up, or if the installation fails, it is likely that the process has been blocked, so you cannot cast the sound.Click “Install now” and follow the steps to install.You will see the error message “The virtual audio cable was not detected when casting sound, do you want to install it now?” In case that you may face the issue of failing to install Apowersoft virtual audio cable when using ApowerMirror (Mac version), here we post some solutions to solve this problem.Īpple has a new security mechanism in macOS 10.15 and later systems which will automatically prevent users from installing software that is not downloaded from the App Store unless the user manually changes to “Allow” in “System Preferences”.
