how to reinstall os if mac will not open recovery mode

Normally, you can start up a Mac while holding down Command-R to boot into what Apple now calls macOS Recovery. The article includes instructions on obtaining the installer, which might involve you having to use someone’s else Mac to download it, if you don’t have a replacement Mac on hand yet.īut if you can’t get access to another Mac or the necessary drive, it’s still possible to use a different Recovery mode on all recent Macs, dating back to 2010. We have instructions for making a bootable installer with macOS Sierra (as well as archived versions for several previous releases).

Release them when the startup screen appears-Mac boots into macOS Recovery mode.Recovery lets you install onto an erased partition, but only if Recovery wasn’t erased, too!īecause Recovery didn’t work, the fastest way to install fresh is to make or borrow a macOS installer on a USB flash drive or a disk drive. Start or restart your Mac, then immediately press and hold the Command + R keys. Your Mac starts in macOS Recovery mode.ġ. Release it when you see “ Loading startup options.”ģ. If your Mac is turned on, go to the Apple menu > Shut Down to turn it off.Ģ. For that, perform any one of the following applicable methods:ġ. Step 2: Boot your Mac into macOS Recovery mode. Step 1: Ensure the Time Machine backup hard drive is connected to your Mac. The steps to restore data from Time Machine backup using recovery mode are as follows: So, take back up of the newly created files on your Mac to an external drive to avoid losing them permanently.

Warning: Restoring files from Time Machine backup might remove the latest files that you’ve created. When you have a Time Machine backup, you can restore all the backed up files-including the accidentally deleted files-at once in recovery mode in macOS Big Sur 11. Restore Deleted Files from the Time Machine Backup Using macOS Recovery In case of any data loss, use the above data recovery software for Mac to recover them on your Mac with installed macOS Big Sur or earlier. The next section elaborates on how you can restore your deleted files using Time Machine in macOS Recovery mode. Restore all the backed up data at once from Time Machine backup in macOS recovery.Restore your deleted files individually from the Time Machine application in Desktop.Two ways to restore deleted files using Time Machine on macOS Big Sur Have you deleted your data then emptied the Trash folder on your Mac running on macOS Big Sur? Or, is your MacBook stuck on boot, and you’re unable to access your files?ĭon’t worry! Use Time Machine to restore your precious files.

How to reinstall os if mac will not open recovery mode