Os x utilities factory reset
- #Os x utilities factory reset how to#
- #Os x utilities factory reset serial number#
- #Os x utilities factory reset upgrade#
- #Os x utilities factory reset Bluetooth#
- #Os x utilities factory reset mac#
#Os x utilities factory reset mac#
If you have a Mac with the Apple T2 security chip, release the keys after the Apple logo appears and disappears twice. If your Mac has a startup sounds, release the keys once you hear this sound. As you turn it on, hold down the Command + Option + P + R keys on your keyboard at the same time. To reset your PRAM/NVRAM, shut down your computer. Resetting the Parameter Random Access Memory (P-RAM), or the Non-Volatile Random Access Memory (NVRAM) for newer Macs, erases user settings and restores security defaults.Then right-click or Control-click the device you want to unpair and select Remove from the pop-up menu that appears.
#Os x utilities factory reset Bluetooth#
#Os x utilities factory reset how to#
Check out our step-by-step guide on how to back up your Mac with Time Machine to find out more. So, it is important that you back up any important data on an external hard drive first.
#Os x utilities factory reset serial number#
To verify eligibility to install macOS, your Mac serial number is sent to Apple, and you might be asked for your Apple ID. If you don't see it, click Show All Disks.
This combination requires macOS Sierra or later. Install the macOS that came with your Mac, or the version closest to it that is still available.
#Os x utilities factory reset upgrade#
Upgrade to the latest macOS that is compatible with your Mac. Install the latest macOS that was installed on your Mac, without upgrading to a later version. Release when you see the Apple logo or a spinning globe.
Hold down one of the following combinations immediately after pressing the power button to turn on your Mac. The Recovery installs different versions of macOS depending on the key combination you press while starting up.