If you don’t turn a firmware password off and then try to reset the NVRAM, that reset will fail, and your Mac will probably enter Recovery mode instead. You can then start it up with the Command, Option, P and R keys held ready to reset the NVRAM. ![]() In that, turn the firmware password off, and shut your Mac down. To do that, restart in Recovery mode, and in the Utilities menu, select either the Firmware Password Utility or Startup Security Utility. ![]() Apple has recently updated its support information on two important topics, resetting the SMC and the NVRAM.Īpple has recently pointed out that, if your Mac has a firmware password set, you must turn that off before attempting to reset the NVRAM.
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