Fix a Mac Stuck on the Loading Screen (MacBook, iMac, M-Series)

TL;DR:

A Mac stuck on the loading screen indicates macOS found the startup disk but cannot finish booting, which can usually be resolved by disconnecting external devices, booting into Safe Mode, or running Disk Utility First Aid from macOS Recovery before resorting to an OS reinstall.
    ● Apple silicon Macs require holding the power button to access Safe Mode or macOS Recovery and handle low-level resets automatically, whereas Intel Macs rely on startup keyboard shortcuts and allow manual NVRAM and SMC resets.
    ● If the freeze occurs specifically after entering a password, the issue is typically tied to corrupted user settings, low disk space, or background apps, which can be isolated and removed via the system settings by booting into Safe Mode.
    ● Before executing a clean install or disk erasure, recover inaccessible data using a bootable USB created on a secondary Mac, noting that recovery tools cannot bypass FileVault encryption, repair damaged logic boards, or restore overwritten files.

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A Mac stuck on loading screen usually means macOS found the startup disk but could not finish loading. The freeze may happen at the Apple logo, progress bar, spinning wheel, or after you enter the login password. It can affect a MacBook Air, MacBook Pro, iMac, Mac mini, or Mac Studio, including both Apple silicon and Intel models.

The fix depends on where the startup process stops. A MacBook stuck on Apple logo with loading bar often points to disk, update, or system file trouble. A MacBook Pro stuck on login screen may involve login items, user account settings, or a profile issue. An iMac stuck on loading screen may also be affected by external devices, storage errors, or display-related confusion.

This guide explains how to diagnose the symptom, apply safe fixes in the right order, and protect important files before you erase, reinstall, or send the Mac for repair. If your Mac will not boot normally, Recoverit Mac Data Recovery can help recover local files from accessible Mac drives before deeper repair. It cannot repair macOS, fix hardware, bypass FileVault, or recover overwritten data.

Part 1. What Does "Mac Stuck on Loading Screen" Mean?

A loading screen freeze means the Mac starts the boot process but cannot reach the desktop. Apple notes that the Apple logo and progress bar appear while macOS is starting from the startup disk. If that process stops and does not continue, the Mac needs startup troubleshooting.

Apple Logo With Loading Bar

If your MacBook is stuck on Apple logo with loading bar, macOS may be loading system files, finishing an update, checking the startup disk, or failing on a damaged system file. This is one of the most common forms of a Mac stuck at loading screen.

Progress Bar Stops Near the End

A progress bar that stops near completion often points to login services, system extensions, disk errors, or a failed update. If the bar still moves slowly, wait. If it has not moved for a long time and the Mac is unresponsive, treat it as frozen.

MacBook Pro Stuck on Login Screen

If you can enter the password but the Mac never loads the desktop, the problem may involve login items, launch agents, corrupted user settings, insufficient free disk space, or an app that starts immediately after login.

Mac Repeatedly Restarts or Shows a Spinning Indicator

A boot loop, spinning indicator, or restart during startup may involve a kernel panic, incompatible software, storage failure, or hardware problem. Avoid repeated forced restarts if the Mac becomes hot or the drive makes unusual sounds.

Apple Silicon vs Intel Mac: Why the Fixes Differ

Apple silicon Macs use M-series chips and different startup controls. Intel Macs can use manual NVRAM and SMC resets, while Apple silicon handles many low-level resets automatically during restart. Safe Mode and macOS Recovery also use different startup keys on Apple silicon and Intel Macs.

Part 2. Quick Diagnosis: Where Is Your Mac Getting Stuck?

Match what you see on screen before choosing a fix.

If the Progress Bar Is Still Moving

If the progress bar continues moving, especially after a macOS update, keep the Mac connected to power and wait. A large system update can take longer than expected. Do not force shutdown while the bar is still making progress.

If the Progress Bar Has Not Moved for a Long Time

If the progress bar does not move for a long time and the Mac does not respond, start with a safe force restart. If the freeze returns, move to Safe Mode, Recovery, and Disk Utility First Aid.

If the Freeze Happens After Login

If the Mac reaches the login screen but freezes after entering the password, focus on Safe Mode, login items, recently installed apps, low disk space, and user account issues.

If External Devices Are Connected

External drives, hubs, docks, monitors, printers, and security keys can interrupt startup. Disconnect nonessential devices and restart the Mac with only power, keyboard, mouse, and display connected if needed.

Symptom Table for Mac Loading Screen Problems

Part 3. What to Do Before Trying Advanced Fixes

These checks reduce the chance of making the problem worse.

Keep the Mac Plugged In During Updates

If the Mac is updating, keep it plugged in and wait while the progress bar moves. Portable Macs should not be allowed to run out of battery during a system update.

Disconnect External Devices and Accessories

Unplug external drives, USB hubs, docks, printers, card readers, audio devices, and unnecessary displays. Restart with the simplest setup possible. For an iMac, keep only the power cable, keyboard, mouse, and main display connection if applicable.

Avoid Erasing or Reinstalling Before Protecting Files

Reinstalling macOS over the existing system is usually intended to keep user data, but mistakes, disk failure, or choosing Erase can remove files. Protect important data before any erase, clean install, or repair.

Check Whether You Have a Recent Backup

If you use Time Machine, iCloud Drive, or another backup system, confirm that important files are already backed up. If no recent backup exists and the files matter, recover or copy the data before taking destructive actions.

Part 4. How to Fix a Mac Stuck on the Loading Screen

Work through these fixes in order. Start with simple, reversible steps before erasing or reinstalling macOS.

Fix 1. Force Restart the Mac Safely

Use this only when the Mac is frozen and the progress bar is not moving.

Step 1. Press and hold the Power or Touch ID button until the Mac turns off.

Step 2. Wait 10 seconds. Disconnect external accessories that are not required.

Step 3. Press the power button again and watch whether startup completes.

Fix 2. Boot Into Safe Mode on Apple Silicon or Intel Macs

Safe Mode starts macOS with only essential components, checks the startup disk, and prevents some software from loading automatically. If the Mac starts in Safe Mode, the issue is likely software-related.

On Apple silicon Macs: Shut down the Mac. Press and hold the power button until startup options appear. Select your startup disk, hold Shift, then click Continue in Safe Mode.

On Intel Macs: Turn on or restart the Mac, then immediately hold Shift until the login window appears. You may see Safe Boot in the menu bar.

Fix 3. Remove Login Items and Recently Installed Apps in Safe Mode

If the Mac reaches Safe Mode, remove suspicious login items and apps installed shortly before the loading screen problem began.

Step 1. Open System Settings, choose General, then open Login Items & Extensions.

Step 2. Remove suspicious or recently added items from Open at Login. Restart normally and test. Re-enable items one at a time after the Mac starts normally.

Fix 4. Reset NVRAM or PRAM on Intel Macs

NVRAM stores certain startup disk, display, sound, and system settings. Resetting it can help on Intel Macs if startup disk selection or display settings are involved. Apple silicon Macs do not use this manual NVRAM reset process.

Shut down the Intel Mac. Turn it on and immediately hold Option + Command + P + R for about 20 seconds, then release the keys and let the Mac start.

Fix 5. Reset the SMC on Intel Macs

The SMC controls power-related behavior on Intel Macs. Reset it only if the issue involves power, charging, fans, sleep, or startup behavior. Apple silicon Macs do not require a manual SMC reset; shut down, wait, and restart instead.

For many Intel Mac notebooks with a T2 chip, shut down the Mac, hold Control + Option + Shift for 7 seconds, keep holding those keys and press the power button for another 7 seconds, then release all keys and restart. For older Intel models, follow Apple's model-specific SMC reset steps.

Fix 6. Start Up From macOS Recovery

macOS Recovery lets you repair the startup disk, choose a startup disk, reinstall macOS, restore from backup, or erase the disk if absolutely necessary.

On Apple silicon Macs: Shut down the Mac. Press and hold the power button until startup options appear. Click Options, then click Continue.

On Intel Macs: Turn on or restart the Mac and immediately hold Command + R until the Apple logo or spinning globe appears.

Fix 7. Run Disk Utility First Aid on the Startup Disk

Disk Utility First Aid can find and repair file-system errors that stop macOS from loading.

Step 1. In macOS Recovery, open Disk Utility. Choose View > Show All Devices if available.

Step 2. Select the startup volume, then click First Aid and Run. If Disk Utility shows containers or the physical disk, run First Aid from volumes up through the container and disk. Restart after the repair finishes.

Fix 8. Choose the Correct Startup Disk

If the Mac tries to start from the wrong disk, it may freeze or fail to finish startup. In macOS Recovery, open Startup Disk, select the correct macOS system disk, and restart.

This is especially relevant for users with external boot drives, multiple volumes, or an iMac that was recently connected to other storage devices.

Fix 9. Reinstall macOS Without Erasing Important Data

If Disk Utility does not solve the issue, reinstall macOS from Recovery. Choose Reinstall macOS and follow the onscreen instructions without erasing the disk. This refreshes system files while normally keeping users, apps, and data in place.

Back up or recover important files first whenever possible, because reinstall can fail if the disk is damaged or if the wrong option is selected.

Fix 10. Erase the Startup Disk and Clean Install macOS as a Last Resort

Erase is the last resort because it deletes the startup disk. Use it only after data is backed up or recovered and lighter fixes have failed.

Step 1. Start in macOS Recovery and open Disk Utility. Select the startup disk or volume and click Erase. For modern macOS versions, use APFS unless Apple or your macOS installer instructs otherwise.

Step 2. Return to macOS Recovery and choose Reinstall macOS. Follow the onscreen instructions to install a fresh system.

Part 5. Recover Files Before Erasing or Reinstalling macOS

If your Mac is stuck on loading screen and no recent backup exists, file protection should come before erase, clean install, or repair.

Why Data Recovery Should Come Before Erase or Repair

When Recoverit Can Help

Recoverit Mac Data Recovery can help recover local files from accessible Mac internal drives, external drives, USB drives, memory cards, and other supported storage devices. It is useful before erasing a Mac, reinstalling macOS, or sending the device for repair.

Recoverit can help with documents, photos, videos, audio files, archives, project files, and other recoverable local data when the drive is still readable and the files have not been overwritten.

When Recoverit Cannot Help

Recoverit cannot repair macOS, fix a damaged logic board, bypass FileVault encryption, recover data without the required password or recovery key, restore overwritten files, or guarantee recovery from a physically failing SSD. If the drive is not detected or is severely damaged, contact a professional data recovery service.

How to Recover Files From a Mac That Will Not Boot Normally

Use another working Mac and a spare USB drive. The USB drive may be formatted while creating bootable recovery media, so do not use one that contains important files.

Step 1. Choose Computer Not Bootable

Install and open Recoverit on a working Mac. Go to Other Tools, choose Computer Not Bootable, and click Start.

Step 2. Create a Bootable USB Drive

Connect a USB drive, select it in Recoverit, confirm the macOS version when prompted, and click Start to create bootable recovery media.

Step 3. Boot the Affected Mac and Recover Files

Connect the bootable USB to the affected Mac, start from the USB, scan the internal storage, preview recoverable files when available, and save recovered files to another external drive.

What to Do If the Mac Drive Is Failing or FileVault Is Locked

If the Mac reports disk errors, the drive is not detected, or scans repeatedly freeze, stop trying to repair or scan the disk. For important files, a professional recovery service is safer. If FileVault is enabled, you need the correct account password or recovery key to access encrypted data.

Part 6. How to Prevent Future Mac Loading Screen Freezes

These habits reduce the chance of another startup freeze and lower data-loss risk.

Let macOS Updates Finish Completely

Keep the Mac plugged in during updates and do not force shutdown while the progress bar is moving. Interrupted updates are a common cause of startup problems.

Maintain Enough Free Startup Disk Space

Keep enough free space for macOS updates, caches, and temporary files. A nearly full startup disk can slow or block login and startup processes.

Review Login Items Regularly

Remove old or unnecessary login items, VPN agents, storage sync tools, and background apps you no longer use. Too many startup items can slow login and cause conflicts.

Disconnect Unnecessary Peripherals Before Restarting

Before a major macOS update or troubleshooting restart, unplug drives, hubs, docks, and other accessories that are not required for startup.

Keep Time Machine or Another Backup Current

Use Time Machine, cloud backup, or another backup method for important files. A recent backup makes it safer to repair, reinstall, or erase macOS if startup fails again.

Conclusion

A Mac stuck on the loading screen needs a structured approach. First check whether the progress bar is still moving, disconnect external devices, then try Safe Mode, login item cleanup, NVRAM or SMC reset on Intel Macs, macOS Recovery, Disk Utility First Aid, startup disk selection, and reinstalling macOS. Erasing the disk should be the last resort.

If your Mac contains important files and you do not have a recent backup, recover or protect the data before erase, clean install, or hardware repair. Recoverit Mac Data Recovery can help recover local files from accessible Mac storage, but it cannot repair macOS, bypass encryption, or recover data from an unreadable physical drive.