The following steps show the NVRAM resetting for your Thunderbolt 3 Macs which includes late-20 MacBook Pro models.ī.Find Command (⌘), Option, P, and R on your keyboard.ĭ.Press and hold the Command-Option-P-R keys immediately after you turn on your Mac.Į.Hold these keys down for at least 60 seconds to ensure that your Mac completes the process correctly.
Repeat D and E until you hear the 4th startup sound then release the keys.Ģ. Hold these keys until the computer restarts and you hear the startup sound for a second time.į. Press and hold the Command-Option-P-R keys immediately after you hear the startup sound.Į. Find Command (⌘), Option, P, and R on your keyboard.ĭ.
The following steps show the NVRAM resetting for your Macs which includes non-Thunderbolt, and Thunderbolt 1, 2 Macs.ī. New M1 Mac computers can achieve this same results by using a simple cold reboot***ġ. ***Please note that this process is only meant for Intel-based Mac computers.
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