macOS Recovery Mode: A Step-by-Step Guide

macOS Recovery Mode is a built-in troubleshooting environment that lets you repair your disk, reinstall macOS, restore from a Time Machine backup, and manage startup security. This guide walks you through entering Recovery Mode efficiently, using its key tools correctly, and avoiding common pitfalls that can waste time or cause data loss.

What You’ll Need

A Mac that supports macOS Recovery (any Mac from 2010 or later, though steps vary slightly by chip).
Stable power connection (plug in your Mac, especially for reinstalls).
Internet connection for reinstalling macOS or using online recovery.
Time Machine backup (recommended before any repair or reinstall).
Apple ID and password if you need to reinstall after erasing the disk.

Step-by-Step

Back up your data (if possible). Before using Recovery Mode for anything other than a simple disk repair, back up your files to an external drive or Time Machine. Even repairs can occasionally go wrong.
Shut down your Mac completely. Choose Apple menu > Shut Down, then wait for the screen to go black and any indicator lights to turn off.
Identify your Mac’s chip type. Click the Apple menu > About This Mac. If you see “Apple M1” or “Apple M2” (or higher), you have Apple silicon. If you see an Intel processor model, you have an Intel Mac. This determines which key combination you use.
Enter Recovery Mode.
- Apple silicon: Press and hold the power button until you see “Loading startup options” (about 10 seconds), then click “Options” and choose a user account, enter its password, and click “Continue.”
- Intel Mac: Press and hold Command (⌘) + R immediately after pressing the power button. Release when you see the Apple logo or a spinning globe.
Choose your recovery mode (Intel only, unless you use the power button method).
- Command + R: Install the macOS version that was last installed on your Mac (or the version that came with it, depending on settings). This is the most common choice.
- Option + Command + R: Upgrade to the latest compatible macOS version.
- Shift + Option + Command + R: Install the macOS version that came with your Mac (or the closest still available).
Wait for the Recovery window to load. This can take a few minutes, especially if you’re using Internet Recovery (the spinning globe). Don’t interrupt it.
Use the tools in the window. You’ll see options like Restore from Time Machine, Reinstall macOS, Safari, Disk Utility, and Terminal. Choose the one you need.
For disk repair: Open Disk Utility, select your startup disk (the one named “Macintosh HD” or similar), and click “First Aid.” Run it, then repeat for any other volumes if prompted.
For reinstallation: Click “Reinstall macOS,” follow the on-screen prompts, and select your startup disk when asked. Do not put your Mac to sleep or disconnect from power during the install.
Quit Recovery Mode: After repairs or installation, choose Apple menu > Restart. If you’re done and just want to leave Recovery, choose Apple menu > Shut Down.

Common Mistakes

Using the wrong key combination for your Mac’s chip type. The power-button method is for Apple silicon; Command+R is for Intel.
Releasing the keys too early. On Intel Macs, you must hold Command+R until the Apple logo appears. Releasing too soon boots normally.
Choosing “Reinstall macOS” without erasing the disk when you want a clean install. This reinstall over your existing system, keeping your files.
Erasing the wrong disk. In Disk Utility, be absolutely sure you select the correct volume. Erasing your external backup drive is a common and devastating mistake.
Interrupting an installation. Closing the lid, unplugging, or forcing a restart during a macOS install can corrupt the system.
Not backing up first. Even a simple disk repair can fail, and reinstalling macOS without a backup will erase your data.

Tips

Use the built-in help. In Recovery Mode, the menu bar has a Help menu with detailed explanations of each tool.
Check your disk health first. If you’re having startup issues, run Disk Utility’s First Aid before reinstalling macOS. It can fix problems without erasing anything.
Use Time Machine backups wisely. In Recovery Mode, “Restore from Time Machine” can bring your entire system back, but it will replace everything on your disk. Make sure you’re restoring to the correct disk.
Know your Apple ID. If you erased your Mac, you’ll need your Apple ID and password to reinstall macOS and unlock your disk (if FileVault is enabled).
Use Safari in Recovery Mode. If you need to look up troubleshooting steps, Safari is available in the menu bar. This is useful if your Mac won’t boot normally.
Consider a USB installer. For frequent reinstalls, create a bootable USB installer using the “createinstallmedia” command in Terminal. It’s faster than internet recovery and works offline.

Troubleshooting

Recovery Mode won’t load. If you see a spinning globe for a long time, your internet connection may be slow or the servers are busy. Wait at least 15 minutes. If it still fails, try a different network or use a USB installer.
You see a lock icon or password prompt. This is likely FileVault encryption. Enter your login password or the password of the administrator account. If you forgot it, you may need to use Apple ID recovery.
Disk Utility says “First Aid failed.” This can indicate serious disk damage. Try running First Aid again, or consider erasing the disk and reinstalling macOS. If the disk is physically failing, you may need to replace it.
Reinstall says “This item is temporarily unavailable.” This is usually a server issue or a problem with your Apple ID. Wait a few hours and try again, or use a different recovery mode (e.g., Option+Command+R).
Your Mac restarts repeatedly during installation. This can happen if the installer can’t verify the disk or if there’s a firmware issue. Try resetting NVRAM (Intel) or shutting down and trying again.
You can’t see your startup disk in Disk Utility. Click “View” in the menu bar and choose “Show All Devices.” The physical disk is often listed at the top level, with volumes nested underneath.

Frequently Asked Questions

Will Recovery Mode erase my data?

No, entering Recovery Mode itself does not erase anything. However, using Disk Utility to erase a disk or reinstalling macOS without preserving your files will delete data. Always back up before using these tools.

Can I access Recovery Mode without an internet connection?

Yes, if your Mac has a local recovery partition (most do), you can enter Recovery Mode offline. However, reinstalling macOS will require an internet connection to download the installer.

What’s the difference between Command+R and Option+Command+R?

Command+R installs the macOS version that was last installed (or the one that came with your Mac, depending on settings). Option+Command+R installs the latest compatible macOS version. Use the former for stability, the latter for an upgrade.

How long does a macOS reinstall take?

Typically 30 minutes to 2 hours, depending on your internet speed and Mac model. The progress bar can appear stuck for several minutes; be patient and don’t interrupt it.

Can I use Recovery Mode to fix a Mac that won’t boot?

Yes, that’s one of its main purposes. You can use Disk Utility to repair the disk, reinstall macOS, or restore from a Time Machine backup to get a non-booting Mac working again.

Do I need an Apple ID to use Recovery Mode?

You need an Apple ID to reinstall macOS after erasing the disk or to unlock a FileVault-encrypted disk. For basic disk repair, you only need the administrator password.

General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.

More in this bed

The whole Tech How-To bed →