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How do i reinstall my OS without losing my files?
[Re-Titled by Moderator]
MacBook Air 13″, 11.6
See: How to reinstall macOS - Apple Support
You should have a current Time Machine or other backup just in case something goes wrong.
See: How to reinstall macOS - Apple Support
You should have a current Time Machine or other backup just in case something goes wrong.
If you reinstall an OS the new OS file will overwrite the old one and none of your files should be affected as long as you do not reformat or erase the HD. Of course everything should always be backed up first.
How do I reinstall my macOS without losing my files?
