After Upgrade To Catalina


If you are looking to recover missing or lost photos on Mac after the update, then you have landed on the right page. Although upgrading macOS to Sierra, High Sierra, Mojave, or Catalina improves Mac performance, data loss may be one of its downsides if no backup has taken.

Is it ok to upgrade to catalina

The latest macOS Catalina comes with superior features compared to the previous macOS like Mojave, High Sierra, Sierra, etc. If you have lost photos after upgrading your macOS from Mojave, Sierra, or High Sierra to Catalina or otherwise then, scroll down to recover your lost photos, videos, or any other media files on Mac after update.

Recover Lost Photos on Mac After Updating to BigSur, Catalina, Mojave, High Sierra, or Sierra 3 Successful Methods

The Software Update preference pane will appear, and after a few moments, will check for any new operating system updates. Once the check is performed you should see macOS Catalina listed as an available update. Click or tap the Upgrade Now button to start downloading the Catalina installer. Jump ahead to the section named Start the Install.

  • A: Answer: A: Late 2013 21.5' iMac, 8 GB Ram, 1TB HDD. After update to Catalina 10.15.1, the thing was turning into a brick. Nothing worked, Office 365 took 3-4 attempts to launch and only did so after 10 minutes. Chrome, Firefox, Safari were crashing continuously. Creative Cloud, Photoshop, Lightroom, a nightmare.
  • The main reason why some external displays are not working after Catalina update is that your Mac is failing to recognize the external monitor for some reason. It could be due to software incompatibility, since the operating system was newly updated. Or it is possible that the upgrade has corrupted something related to your external display.
  • Mail crashed immediately after the MacOS Catalina update. Apple Mail Search is not functioning properly in Catalina. After Catalina upgrade several mails have been lost. Text body is not missing after the Catalina upgrade. The messages on Mail are not loading after updating to Catalina. Mail stuck in outbox in Catalina.
  • Sep 08, 2016 Get your Mac ready for an upgrade to macOS Sierra. Everything you need to know about macOS Sierra update, including how to check compatibility, back up your Mac, download and install macOS 10.12 in one macOS upgrade tutorial.

(Note: You can also make use of the below methods to recover lost photos on your Mac due to various data loss scenarios like accidental deletion, emptying Mac trash, etc.)

1. How to recover iPhoto pictures missing after Mac upgrade using iPhoto Library?
2. How to Recover iPhoto Pictures Missing After Upgrade to Sierra, Mojave, or Catalina using Time Machine Backup?
3. How to Recover lost photos on Mac after updating to Catalina, High Sierra, or any macOS using Remo Recover Mac software?

1. How Do I Recover Photos From iPhoto Library After Mac Update?

An iPhoto library is a package that contains all your photos on Mac arranged into a separate location. Follow the steps to know how you can recover lost iPhoto pictures after upgrade to Catalina, Mojave, or High Sierra, etc.

Home > Users > Username > Pictures > Click iPhoto Library > Now Right-click iPhoto Library to select Show Package Contents > Open Masters or Originals folder > Now, locate and recover photos on Mac after update.

In case, if you have failed to locate or recover lost photos on iPhoto Library then, move on to the next method to recover them using Time Machine Backup, or else you can directly make use of the Remo Mac photo recovery tool to easily restore more than 300 file formats including photos and videos of various format such as JPEG, PNG, PSD, JPG, GIF, TIFF, RAW images, MOV, MP4, AVI, etc. lost after updating macOS to Catalina, High Sierra, Mojave, Sierra, or any other macOS.

2. How to Recover Lost Photos on Mac After Catalina Update Using Time Machine Backup?

If you have turned on Time Machine before deleting or losing files, it automatically takes a backup of all your files on Mac. During data loss scenarios like photos lost after Mac update, you can take the help of Time Machine Backup to easily recover deleted, lost or missing files, photos, videos, applications, etc. Follow the below-mentioned steps to recover lost photos on Mac after update.

(Note: The same steps can be utilized to recover iPhoto pictures lost after upgrading to Sierra, High Sierra, Mojave, or Catalina.)

Go to Apple menu > click System Preferences > Then, click Time Machine > Now, tick the checkbox Show Time Machine on the menu bar

  • Connect your Time Machine Backup drive to the Mac on which you have lost photos after macOS up-gradation and click the Time Machine Backup icon on the menu bar.
  • Select the Enter Time Machine Backup option to recover deleted photos on Mac.
  • Now you can either select the specific date on which you lost your photos after updating to the latest macOS or you can go back in time such as hourly, daily, or weekly by clicking on the upper arrow to recover iPhoto pictures.
  • Select the photos which you want to get back, and click the Restore button to recover lost photos from Time Machine Backup after updating macOS to Catalina, High Sierra, Sierra, etc.

Note: If you haven’t scheduled Time Machine backup before upgrading to Catalina or any other macOS, then you cannot restore lost photos on Mac using this method.

In such cases, utilize Remo Recover Mac which is one of the best data recovery software for Mac to easily recover lost photos on Mac after updating to Catalina, Mojave, Sierra, High Sierra, etc.

3. How to Recover Lost Photos on Mac After Updating to Catalina/ Sierra/ Mojave/ High Sierra?

Remo Recover Mac software is a specially designed tool to recover deleted or lost data such as photos, videos, documents, audio files, etc. lost due to various reasons like photos lost after Mac update, improper macOS reinstallation, formatted Mac without backup, external hard drives not showing on Mac, SSD, USB drive, etc. Download Now!

Step 1: Launch Remo Recover Mac software on your Mac, and select Recover Volumes/ Drives option to recover lost photos after Mac update to Catalina, Mojave, High Sierra, or Sierra.

Step 2: Now,click on the Volumes Recovery option, and then select the disk on which you have lost photos after Catalina, Mojave, High Sierra, Sierra, or any other macOS update and click Next.

Step 3: Select the Advance Scan option and wait till the data recovery process completes to preview the recovered photos lost after Mac update for free.

Step 4: Finally, select the lost files or photos which you want to recover, and click Save button to restore them to the desired location of your choice.

Supported Photo formats (lost or deleted) that can be easily recovered using Remo Recover Mac tool are as follows:

  1. Photo formats: JPEG, JPG, JFIF, JPEG 2000, TIFF, TIF, PNG, BMP, GIF, PSD, WebP, Exif, PPM, PGM, PBM, PNM, HEIF, BAT, etc.
  2. Raw image formats: CR2, CRW, NEF, ARW, SR2, ORF, MRW, 3FR, RAW, X3F, PEF, DNG, RAF, KDC, K25, DCR, R3D, CAP, EIP, EIP, PTX, JPEF, 3FR, PXN, etc.

Why Remo Recover Mac to recover lost photos after Sierra, High Sierra, Mojave, or Catalina update?

  • A user-friendly tool to restore deleted or lost photos, videos, raw-images, or any other files from MacBook Air, MacBook, MacBook Pro, Mac Mini, iMac, iMac Pro, etc.
  • Remo Recover software easily restores more than 300 file formats not only from Mac but also from external hard drives, SSDs, memory cards, USB drives, etc. under various scenarios like accidental deletion, formatting, unrecognized or corrupt drives, files lost after emptying Mac Trash, etc.
  • Recovered photos or files can be easily sorted based on the file type view (.png, .jpg, etc), data view (photos folder, videos folder) date, size, etc.
  • Remo Recover Mac is a prominent tool to recover missing files after Mac update to Catalina and other latest macOS versions like Mojave, High Sierra, Sierra, etc. with ease.
  • Supports data recovery from various file systems including exFAT, AFPS, etc.

Some common reasons for missing photos after macOS update

  1. Mac computer crashes while upgrading to Catalina, High Sierra or any other macOS version can lead to photo loss.
  2. Unreliable or improper methods utilized for updating Mac.
  3. Sudden interruptions like Mac shutdowns or restarts while upgrading to Sierra, High Sierra, Mojave, or Catalina.

Note: It is always recommended to take a backup of your important photos or files before upgrading Mac to avoid photo loss situations.

How to backup files using Time Machine Backup to avoid photo loss or deletion after Mac update?

The very first thing to do before performing any operations on Mac like installing macOS Catalina, formatting Mac, reinstalling macOS, etc. is to take a Time Machine backup of all your important files and photos to avoid data loss. Follow the steps given below to take a backup of all your photos or files before updating your Mac.

  • Connect an external storage drive like SSD or external HDD to your Mac.
  • Now, Mac will ask whether you want your external drive to be used as a backup drive with Time Machine.
  • Check or select the Encrypt Backup Disk option to make your backup drive protected with a password.
  • Click on the Use as Backup Disk option.

Watch This Video Tutorial to Recover Missing iPhoto Pictures After Mac Update using Remo Recover Mac

Does your iMac, Mac Pro, MacBook Air, MacBook Pro, or MacBook stuck on login screen after update to Big Sur, Catalina, Mojave or High Sierra? That Mac won’t boot is not a new issue but still a tough call for ordinary users to fix it. Well, this article will walk you through the solutions to solve “Mac stuck on boot screen after Big Sur or Catalina update” problem.

File Missing after Mac Stuck on Login?

  • Recover files missing or lost due to system upgrade/downgrade,etc.
  • Restore formatted, deleted files
  • Support recovering data in 200+ formats (audio, video, image, docs, etc.)
  • Get back files from mac internal and external hard drive (SD, USB, etc.)
  • 5 recovery modes for different situations
  • Preview files before final recovery
  • Applicable for macOS Big Sur and Catalina
Free Download

Why Mac Stuck on Login Screen after Update?

  • The update of macOS Big Sur or Catalina brings certain incompatibility problem (between Apple default apps and the OS) or unsolved bugs
  • Not enough hard drive space
  • Corrupted SSD or HDD
  • Too many boot items opening at login
  • Malware or virus deleted the crucial system files
  • File system corruption of Mac partition
  • Power issues
  • Motherboard Failure

macOS stuck at login screen is a complex issue meaning there’s something bad coming with your Mac system and it needs to be repaired as quick as possible.

The Common Symptoms

The symptoms of “MacBook stuck on login screen after update” issue is different, the familiar ones are those your Mac may stuck on:

  • Grey screen
  • White screen
  • Black screen
  • Login loading bar
  • Apple logo (loading screen with Apple)
  • Startup screen spinning wheel
  • Login screen after password
  • Startup screen with status bar
Imac so slow after upgrade to catalina

Or your Mac:

  • Won't boot past apple logo
  • Won't load past login screen
  • Frozen on the startup screen after macOS Big Sur or Catalina update

By knowing the symptoms, you can safeguard your data to avoid data loss crisis, and then take immediate actions to fix the problem.

How to Fix Mac Stuck on Boot Screen after Update?

Fix 1. Reboot the Mac

Missing Wifi Interface After Upgrade To Catalina

Do the most essential things at first, as they don’t require any tech support.

  • Shut off your Mac
  • Disconnect the whole peripherals except those needed to turn on the system
  • Check your charger’s cable (make sure the cable is intact and the port is clean.). If your MacBook stuck on login screen because of battery power, the battery could be thoroughly depleted or malfunctioning.

When everything is ready, boot your Mac with peripherals reconnected.

Fix 2. Reboot Your Mac in Safe Mode

Safe Boot feature is included since Mac OS X 10.2. It minimizes the apps on your Mac to help identify the issue that causes your macOS stuck at login, or any issue correlated with your startup disk. So not only will it restrict your applications, but also check through startup drive.

  1. Restart your Mac computer.
  2. Press the Power button while holding down the Shift key immediately.
  3. Keep it held until you see the Apple logo.

Matters need attention:

  • It’s slower to boot Mac in Safe Mode.
  • Not all the OS X functions and programs will work when performing Safe Boot (only for troubleshooting).
  • Confirm that your Mac hard drive possesses at least 10 GB of free space. If not, empty your Trash bin or move some of largest files & folders to another drive.

Fix 3. Reboot Your Mac in Single User Mode

After Upgrade To Catalina

Just like booting in Safe Mode, the Single User Mode assists to isolate and fix the common problems that can keep your MacBook stuck on login screen from starting up properly. This method is suitable for advanced users who are comfortable with UNIX or has comprehensive knowledge of the command line.

  1. Turn on your Mac while holding Command + S key simultaneously.
  2. When you see the white text on a black background, release the keys.
  3. Enter the administrator password to access to Mac Big Sur or Catalina Single User Mode.

Fix 4. Reset System Management Controller (SMC)

SMC controls a host of important functions in a Mac. It deals with many amusing things, from keyboard backlight, charging, fans, etc. to system performance. That resetting the SMC to original factory settings is an all-in-one solution, which can also fix your iMac, MacBook Air or MacBook stuck on login screen after update.

For desktop Mac, iMac or MacBook:

  1. Unplug the power cord.
  2. Wait for 15 or 20 seconds, and plug the power cord in.
  3. Wait for 5 or 10 seconds, and power on the system again.
  4. Restart your Mac.

For Mac laptop:

  1. Make your Mac unplugged, and then turn off the power.
  2. Hold down the Shift + Control + Option key. At the same time, press and hold down the power button. Hold down all of them for 10 seconds.
  3. Re-plug the Mac in and reboot it up.

For old Mac laptop with removable battery:

  1. Shut down your Mac > unplug it > remove the battery.
  2. Hold down the power button for 5 seconds.
  3. Put the battery back in > plug the Mac in > restart Mac.

Fix 5. Reset Nonvolatile Random-access Memory (NVRAM) or Parameter RAM (PRAM)

NVRAM is used to store some settings and access them fleetly. PRAM is similar to NVRAM, and shares the same steps with NVRAM. If you experience issues like Mac stuck on boot screen after update to latest macOS, resetting NVRAM/ PRAM may give you a hand.

  1. Shut down your Mac.
  2. Turn your Mac, and hold down Option + Command + P + R key together right away.
  3. Keep holding until your Mac restarts.

Fix 6. Reboot Mac in Recovery Mode

Recovery Mode was offered since OS X Lion in 2011. It shows you 4 options applied to fix connected drives with Disk Utility, restore data from Time Machine, reinstall macOS and get help online. I guess two of them are likely to repair your macOS stuck at login issue.

Option One. Run First Aid from Recovery Partition

  1. Turn off your Mac, and then switch it on.
  2. Immediately hold down Command + R keys till an Apple logo appears.
  3. Wait for a moment, the OS X Utilities window will show up.
  4. Click on 'Disk Utility' option.
  5. Locate your Mac drive, and choose it.
  6. Click on 'First Aid'.

Option Two: Reinstall macOS

If none of the solutions work out to fix the MacBook stuck on login screen issue, then reinstalling macOS will be the last option.

  1. Repeat the first three steps of option one.
  2. Select “Reinstall macOS” from the Utilities window.
  3. Click on “Continue” and follow the installation process.

Attentions of reinstallation:

  • Don’t put your Mac to sleep status.
  • Mac would reboot and display a progress bar a couple of times
  • After installation, click on “Shut Down” option from the Apple menu to quit Mac Recovery Mode.

Also, you can check the video tutorial as following:

Lost Data after Big Sur or Catalina Update or Issue Repaired? Recoverable!

That Mac stuck on boot screen often comes along with data loss from the hard drive. If you didn’t manage to back up your Mac data before, you won’t be able to recover lost files via Time Machine after macOS upgrade.

Fortunately, Cisdem Data Recovery for Mac- an effective and powerful recovery program, allows you to retrieve a wide range of file formats (Keynote, PDF, JPG, PNG, MOV, RTF, etc.) or any types (video, documents, archive, etc.) of deleted, formatted, corrupted data on Mac. It’s absolutely safe and keeps your data private.

Step 1Install the Software

Upgrade To Mojave

After the installation, launch Cisdem Data Recovery on Mac.

Step 2Select the Scenario

You will see 5 recovery solutions. To recover lost files after macOS update, you can choose the option 'Basic Data Recovery' (fast scan) or “Advanced Data Recovery” (deep scan) to start performing lost file recovery.

Step 3Choose a Destination

Select the hard disk where your lost files are originally stored and click on “Scan” button” to go on.

Step 4Start to Scan
After Upgrade To Catalina

The “Basic Data Recovery’ mode only takes a minute to finish. If it doesn’t find out your lost data, go to scan again with 'Advanced Data Recovery' mode which searches more files but spends longer time.

Step 5Preview and Recover Lost Files

Once the scanning process is done, all detected contents will be displayed in 'Tree View' categories on the left side. You can preview them for saving your time on data recovering.

Finally, choose the target files and click on 'Recover' button. In no time, your files that lost after “Mac stuck on boot screen” fixed will be retrieved.

After Upgrade To Catalina


It can be troublesome and distraught that your MacBook stuck on login screen after update to Big Sur or Catalina. Worse still, you may lose files in the meantime. We introduce 6 practical solutions to get macOS stuck at login issue fixed, along with 1 data recovery program to restore lost files, but the safest plan is to keep backups of all vital files on Mac.