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1. Reinstall mac os high sierra without losing data install#
2. Reinstall mac os high sierra without losing data full#
3. Reinstall mac os high sierra without losing data password#
4. Reinstall mac os high sierra without losing data professional#

Reinstall mac os high sierra without losing data full#

Clean Up macOS Storage DiskĪ full storage disk in the Mac can cause many problems like non-optimal performance, logical damage, and data loss. We have listed some tips you can practice to resolve the issue with macOS and optimize its performance. Several issues have been linked with the latest macOS since its release, like sluggish performance, data loss in some instances, slow file transfer, external drive not mounting, and likewise. Still, many users face difficulty mainly because their system is not fully compatible to support the high functionality in the new OS.

Most Mac systems function seamlessly on the new macOS. Some find that their Mac freezes for about 10 seconds every few hours. But, a few users feel that the new macOS Catalina performance is short on its promise as the system slows down immediately after the update. releases a new macOS, droves of people rush to get the new OS with the promise of better performance, advanced security, and increased functionality.

Also, get this free SpeedUp Mac app to clean up and optimize your computer.Īs Apple Inc.

Reinstall mac os high sierra without losing data professional#

If you have lost data, read the blog till the end, as we’ll also share a professional tool for recovering data from macOS.

Reinstall mac os high sierra without losing data install#

Use the App Store or a web browser to download and install an earlier macOS.Use the App Store to download and install the latest macOS.You can also use these methods to install macOS, if the macOS is compatible with your Mac: If the Mac logic board has just been replaced, you may only be offered the latest macOS that is compatible with your Mac. If you've just erased your entire startup disk, you may only be offered the macOS that came with your Mac, or the closest version still available.Otherwise you'll be offered the macOS that came with your Mac, or the closest version that's still available. If you use Option-Command-R during startup, in most cases you'll be offered the latest macOS that is compatible with your Mac. On an Intel-based Mac, if you use Shift-Option-Command-R during startup, you'll be offered the macOS that came with your Mac, or the closest version still available.When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions:

When the new owner starts up the Mac, they can use their own information to complete the setup process. If you're selling, trading in or giving away your Mac, press Command-Q to quit the assistant without completing setup. When the installation is complete, your Mac may restart to a setup assistant. Your Mac may restart and show a progress bar several times, and the screen may be empty for minutes at a time. Allow installation to complete without putting your Mac to sleep or closing its lid.If the installer offers you the choice between installing on Macintosh HD or Macintosh HD – Data, choose Macintosh HD.If the installer can't see your disk or notifies you that it can't install macOS on your computer or volume, you may need to erase your disk first.

Reinstall mac os high sierra without losing data password#