Reset NVRAM on your Mac - Apple SupportReset NVRAM on your Mac If one or more settings stored in NVRAM don't work as expected on an Intel-based Mac, resetting NVRAM might help. Do you need to reset NVRAM? NVRAM (or PRAM) is a small amount of memory that your Mac uses to store and quickly access certain system settings such as sound volume, display resolution, startup-disk selection, and time zone. These settings vary by Mac and the dev
