If you’re stuck on the login screen in macOS Big Sur and your password isn’t being accepted, the fix usually involves resetting your password using your Apple ID or using the built-in recovery tools. This guide walks you through the most common solutions, from simple restarts to using Recovery Mode, so you can get back into your Mac quickly.
Why macOS Big Sur Might Reject Your Password
There are several reasons why your password might not work, even if you’re sure it’s correct. Understanding the cause can help you choose the right fix:
- FileVault encryption: If FileVault is enabled, the login password is tied to an encryption key. A corrupted keychain or a failed system update can cause the password to be rejected.
- Keyboard layout or input issues: A different keyboard layout (e.g., UK vs. US) can make your password appear wrong, especially if you use symbols or numbers.
- Stuck keys or hardware issues: A faulty keyboard or a stuck Shift/Caps Lock key can cause the wrong characters to be entered.
- After a system update or restore: Occasionally, a macOS update or restore from a backup can cause a temporary glitch in the authentication process.
- Password change not synced: If you recently changed your password on another device and iCloud Keychain hasn’t synced, the Mac may still expect the old password.
Before You Panic: Quick Checks
Start with these simple steps—they resolve a surprising number of cases:
- Check Caps Lock and keyboard layout: Look for the Caps Lock indicator light. Try typing your password in a text field (like the password hint field) to see what characters appear. Try switching keyboard layouts by clicking the flag/menu bar icon (if visible).
- Restart your Mac: Hold the power button until it shuts down, then turn it back on. Sometimes a fresh start clears the glitch.
- Try a different keyboard: If you’re using an external keyboard, unplug it and use the built-in one. For laptops, try an external USB keyboard.
- Use the password hint: Click the question mark next to the password field to see the hint you set up. It might jog your memory.
Reset Your Password Using Your Apple ID
If you have FileVault disabled (or enabled, but you remember your Apple ID), macOS Big Sur offers a built-in password reset via Apple ID. Here’s how:
- At the login screen, enter any password (or leave it blank) and press Enter.
- After a few failed attempts, a message should appear: “If you forgot your password, you can reset it using your Apple ID.”
- Click the arrow next to that message.
- Enter your Apple ID email and password.
- Follow the on-screen instructions to create a new login password.
This method works only if you have FileVault disabled (or if you have a recovery key). If FileVault is enabled and you don’t see the Apple ID option, you’ll need to use Recovery Mode instead.
Use Recovery Mode to Reset the Password
Recovery Mode is a built-in macOS environment that lets you repair your disk, reinstall macOS, and reset passwords. Here’s how to use it on an Intel Mac:
- Shut down your Mac completely.
- Press the power button, then immediately hold Command (⌘) + R until the Apple logo or a spinning globe appears.
- Release the keys when you see the macOS Utilities window.
- From the menu bar at the top, click Utilities > Terminal.
- Type
resetpasswordand press Enter. - Follow the on-screen instructions in the “Reset Password” assistant. You may need to select your user account and enter a new password.
If you have an Apple Silicon (M1/M2) Mac, the process is slightly different:
- Shut down your Mac, then press and hold the power button until you see “Loading startup options.”
- Click Options, then Continue.
- Select your user, enter your password (if prompted), and you’ll see the macOS Utilities window.
- From the menu bar, choose Utilities > Terminal, then type
resetpasswordand press Enter.
What to Do If Recovery Mode Doesn’t Work
If you can’t get into Recovery Mode (e.g., you’re prompted for a firmware password), or the password reset fails, you have a few more options:
- Use a different admin account: If you have another admin user on the Mac, log in with that account and reset the password for the locked account via System Preferences > Users & Groups.
- Try Safe Mode: Restart your Mac and hold the Shift key immediately after the startup chime (Intel) or after pressing the power button (Apple Silicon). Safe Mode loads only essential extensions and may bypass the issue. Then try logging in.
- Erase and reinstall macOS: As a last resort, you can erase your startup disk via Disk Utility in Recovery Mode and reinstall macOS. This will delete all data, so only do this if you have a backup or no other option.
How to Prevent This in the Future
Once you’re back in, take these steps to avoid getting locked out again:
- Create a password hint: Go to System Preferences > Users & Groups > Change Password and set a hint that only you understand.
- Disable automatic login: If automatic login is enabled, your password may not be required at startup, but it’s still needed for some tasks. Keeping it off ensures you’re prompted and can catch issues early.
- Keep your Apple ID and password updated: Make sure your Apple ID password is current and you remember it, as it’s your key to recovery.
- Back up regularly with Time Machine: A current backup means you can restore your data even if you have to erase the disk.
Frequently Asked Questions
Why does my password work after restarting but not after sleep?
This can happen if your Mac’s password is stored in the Secure Enclave (Apple Silicon) or if there’s a temporary glitch in the loginwindow process. Restarting clears the glitch. If it happens often, try resetting the SMC (Intel Macs) or check for software updates.
Can I reset my password without losing data?
Yes, in most cases. Using Recovery Mode’s resetpassword tool or the Apple ID reset method preserves your files. Only erasing the disk (via Disk Utility) will delete data, and that’s a last resort.
What if I don’t remember my Apple ID password either?
You’ll need to reset your Apple ID password first. Go to iforgot.apple.com on another device and follow the prompts. You may need to answer security questions or use two-factor authentication. Once that’s done, you can use the Apple ID reset method on your Mac.
Does FileVault make password reset harder?
Yes. If FileVault is enabled, your password is tied to an encryption key. The Apple ID reset option is disabled unless you have a recovery key. You must use Recovery Mode and, if prompted, enter your recovery key. If you don’t have it, you may need to erase the disk and restore from a backup.
Why does my password work on another Mac but not this one?
This usually means the password is correct, but the local account’s password hash is out of sync. This can happen after a migration or if you changed the password on another device. Try using the Apple ID reset method to set a new password, which will re-sync the local account.
Is there a way to bypass the login screen without a password?
No, not without erasing the disk. macOS is designed to prevent unauthorized access. If you’ve forgotten your password and none of the above methods work, your only option is to erase the disk and reinstall macOS, which will remove the password but also all data.
Related
General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.
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