


Unlock the setting menu by clicking on the lock icon and typing your password, then click on Allow, and then Restart Now to rebuild the system extension cache.When the message System Extension Blocked appears, click on Open Security Preferences.Double-click the Install Avid HD Driver.pkg and follow the onscreen prompts to install the HD Driver.Uncheck Put hard disk to sleep when possible (desktop computer) or Enable power nap (laptop).Go to System Preferences > Energy Saver (on a desktop computer) or System Preferences > Battery (on a laptop) and make sure that Prevent computer from sleeping automatically when the display is off is checked and that the Turn display off after slider is set to Never.HD Driver Installation (Intel and Apple M1) Select Reduced Security and check Allow user management of kernel extensions from identified developersįor more information regarding Startup Security Utility, please refer to this article.Select your current Mac system and click Security Policy.Select Utilities > Startup Security Utility.Restart your Mac in Recovery Mode (see this article for instructions).On Apple M1 computers it is necessary to enable Kernel Extensions from identified developers.

Installing the Avid HD Driver on a clean macOS system
