How To Repair Mac Os Sierra
Some Mac users may demand to reinstall their current macOS system software; typically this is necessary only equally a troubleshooting technique, though there may be other reasons to reinstall Sierra or High Sierra likewise. The method we are going to outline here will reinstall macOS system software versioned as Loftier Sierra or Sierra without formatting or erasing the Mac, instead merely macOS Sierra 10.12 system software will be reinstalled (or macOS High Sierra 10.xiii, whichever is applicable). The obvious reward to this approach is that it aims to preserve user files, apps, documents, information, pictures, and customizations, while only reinstalling Mac Bone system software itself.
This is non the same as a clean install. A clean install erases everything, a reinstall does not.
You should dorsum upwards your Mac earlier beginning this process. Though the intention is to just reinstall macOS organisation software and not touch anything else, things tin nevertheless get wrong. Do not skip a backup, backing up with Time Machine is piece of cake and every Mac user should perform regular backups with the service.
How to Reinstall macOS Sierra / macOS Loftier Sierra
You can reinstall macOS Sierra or macOS High Sierra past doing the following:
- Back up the Mac before get-go
- Reboot the Mac and hold down COMMAND + R keys meantime right after y'all hear the boot audio, this will boot the Mac into Recovery Way
- At the "macOS Utilities" screen choose "Reinstall macOS"
- Click "Continue" and walk through the setup screen
- At the bulldoze choice screen, choose "Macintosh HD" or whatever the name of your hard drive is, this is the bulldoze where macOS Sierra will be reinstalled to, then click on "Continue" or "Unlock" if you lot use FileVault
One time the reinstall process begins the screen will turn blackness and an Apple logo with a progress bar will appear, this will give you a loose estimate of how long it will take to reinstall macOS Sierra, but go on in mind it's not ever accurate and the actual installation procedure can sometimes exist faster or slower.
After reinstallation has completed, macOS Sierra / High Sierra volition automatically kick up as usual. Your user business relationship, user files, applications, and all data and configurations should exist preserved and untouched, only macOS Sierra / macOS High Sierra system software has been reinstalled. Reinstalling volition cause Spotlight and other groundwork indexing processes to run again which can give the perception that Sierra is running slow simply that volition resolve itself after indexing has completed.
If you want to erase everything and offset fresh with a completely blank slate, you would perform a make clean install of macOS Sierra instead, an entirely different process.
Some users accept reported that reinstalling macOS Sierra / macOS Loftier Sierra this way has resolved some of the difficulties they have experienced with Sierra or High Sierra, so if you are having problems with macOS Sierra information technology may be a worthwhile troubleshooting step. In my personal feel I reinstalled and clean installed yet even so ran into the same kernel file table full errors, Safari issues, and application launch problems, which is what led me to downgrade from macOS Sierra to El Capitan on a particular Mac. Nonetheless your mileage may vary, and it is certainly worth trying to reinstall using the steps to a higher place before turning to more than drastic measures.
How To Repair Mac Os Sierra,
Source: https://osxdaily.com/2016/10/12/reinstall-macos-sierra/
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