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1. #How to do a clean install of mac os sierra mac os#
2. #How to do a clean install of mac os sierra install#

Reinstalling your MacOS high Sierra will make background indexing processes and Spotlight to run again. You will find your user account, applications, files, configurations, and all data preserved and intact Once the installation is complete, MacOS Sierra boots up automatically as usual. However, remember that this is not always accurate since installation could be quicker or much slower. You will also see a progress bar that gives you an estimate of the time it will take to reinstall your MacOS Sierra completely. After that, click “shut down.” The new owner will only use their personal information so as to complete the setup.Īfter the reinstall process starts, the screen turns black as an Apple logo appears. In case Mac restarts to a setup assistant, but you intend to give it away, hit Command + Q to quit assistant without finishing the setup. Doing so might make your mac restart and show the progress bar several times, and your screen could run empty for minutes a number of- times.

#How to do a clean install of mac os sierra mac os#

This will delete everything, thus the reason why it is important you first backup your data before reinstalling a mac OS High Sierra.

#How to do a clean install of mac os sierra install#

If the installer does not find your disk or claims that it cannot install on your volume or computer, You then might have to erase your disk. If asked by the installer to unlock your disk, key in the password you use when logging in to your mac. Press “Unlock” or “Continue” if you are using FileVault. Select “Macintosh HD” or the name of your hard drive – The MacOS Sierra will be reinstalled to this drive.

Click “Reinstall MacOS” on the “MacOS Utilities”.Once the boot sound is heard, concurrently hold COMMAND + R. Steps for Reinstalling MacOS High Sierra Reinstall Mac OS The most convenient approach to data backup is using a Time machine. Although reinstalling a MacOS does not have an impact on your files, things could go wrong.