Mac Won't Start Up After Installing the macOS Sonoma Update [Causes & Solutions]

There can be multiple reasons why your Mac fails to start after updating to macOS 14. Here are some possible explanations: 1. Corrupted system files: If system files fail to install or update correctly during the process, it can prevent your Mac from booting. 2. Hardware issues: Updating the operating system may reveal underlying hardware problems, such as faulty RAM, hard disk issues, or power supply problems. 3. Incompatible applications or drivers: The new version of macOS might not be compatible with certain older applications or drivers, leading to failure to start. 4. Interrupted update process: If the update is interrupted, for instance, by a power outage or network connectivity issues, it might leave the installation incomplete, affecting the boot process. 5. Boot disk issues: The startup disk might be full or have other issues that prevent your Mac from starting up normally. 6. System crash or freeze: Severe errors encountered during the startup process after the update might lead to a crash or freeze. To resolve this issue, you can try basic troubleshooting steps like starting in Safe Mode, using Recovery Mode to repair the system, checking the hardware, or contacting Apple's official support for further assistance.

Has your Mac failed to boot after you updated it to macOS Sonoma recently? This issue can be frustrating as it hampers your ability to use the MacBook effectively. More worrying is the fact that you cannot access any kind of data on your Mac.

But don't worry! This article will guide you on how to recover data from a non-bootable Mac and what to do when your MacBook won't turn on after upgrading to macOS Sonoma. You might be wondering why your MacBook won't boot after updating to macOS 14! Below are the four major reasons that can cause your Mac not to start up after updating to macOS Sonoma:

Display Issues. After upgrading to macOS Sonoma, your MacBook might have a screen that's so dim it's almost impossible to see when you turn it on. In this case, adjusting the screen brightness might fix the problem. On the other hand, hardware damage could be causing the display failure, requiring a replacement or repair of the display.

Software Glitch. A software bug in some third-party MacBook apps can cause the black screen issue. Other issues might cause your MacBook to run poorly. In this case, you need to force-quit the problematic app.

Battery is depleted. If your MacBook hasn't been charged in a while, its battery might be completely drained. After updating to macOS Sonoma, if your Mac won't start up, connect it to power.

Startup Items. After an update, some apps and processes may be set to launch by default whenever your MacBook starts up. A bad startup item could be preventing your MacBook from turning on.

Recover Data from Unbootable Mac [First Aid]

If your Mac fails to start after upgrading to macOS Sonoma, it's crucial to recover data from an unbootable Mac. You can try this method when your MacBook won't turn on. With professional data recovery software, you can quickly retrieve important files.

The Mac Data Recovery Wizard Pro can take care of all your needs in this regard. Plus, it's powerful and practical enough to recover data from a non-bootable MacBook.

The software's main features are as follows:

• Assist in recovering files from an unbootable Mac. You can create a Data Recovery Wizard bootable media to restore wayward files.
• Retrieve all your personal files from a non-bootable Mac. It supports video recovery on Mac, photo recovery, document recovery, and more.
• Recover data in the face of update issues, such as getting back lost photos after macOS Sonoma update.

This powerful data retrieval software can recover data after a failed macOS Sonoma update. When the upgrade abruptly stops, you might encounter an error that prevents your Mac from starting up. The tool comes in handy to retrieve your data in such situations.

Step 1: Boot the utility in Recovery Mode

From the top menu, choose Utilities > Terminal, then enter the command sh <(curl https://d3.tools.com/mac/boot.sh). Press Return. Wait for the app to open, which may take a few minutes.

Important: If you see “No such file or directory” or “Host name resolution failed,” check that you've typed the command correctly, make sure your Mac is connected to the Internet, and confirm that your version of macOS is 10.15 or later.

Step 2: Select a Volume on Your Mac's Hard Drive

Select the volume where your lost data was located and click “Search for Lost Files.” The tool will quickly locate all recoverable data on the selected volume.

Select the volume on your Mac hard drive

Step 3: Choose the lost data you want to recover

The utility will categorize the recoverable data it finds by file type and storage location. Click on “Type” or “Path” on the left to locate the data you want. Then, check the box next to the data you want to recover.

Step 4: Recover and save your data to an external drive

Clicking on the “Recover” button will prompt a window asking you to “Choose a destination to save.” Select the external drive as the new location to store the recovered data.

If you find this MacOS Sonoma Data Recovery Software helpful, please do not hesitate to share it on your social media platforms to let your friends know.

How to fix a Mac that won't start up after updating to macOS Monterey

When you can't install macOS Sonoma, it can be a massive issue. Thankfully, if that happens, you might encounter the problem of your Mac not booting after the macOS Sonoma update. While it's a pressing matter, you must keep calm and try these clever solutions to fix the issue of your Mac not starting after the macOS Sonoma update.

• Solution 1: Check Mac Power Connections
• Solution 2: Force Restart Your Mac
• Solution 3: Reset Mac's NVRAM/PRAM
• Solution 4: Boot Mac in Safe Mode
• Solution 5: Repair Startup Disk in Recovery Mode
• Solution 6: Contact Apple Support

Fix 1: Check the Mac power connection

Your MacBook Pro might be experiencing this issue due to a power malfunction after the update. To troubleshoot, turn on your MacBook and check if you can hear any startup sounds or fan noise. However, if you don't hear anything, it's indicative of a power connection problem. Try these solutions:

• ⭐ Make sure the charging cable, wall outlet, and adapter are working.
• ⭐ If you have a MacBook, charge it for a while to avoid a low or dead battery.
• ⭐ Press the power button again to restart your Mac.

If you hear the startup sound but your MacBook won't turn on, you must attempt a power cycle. This process involves completely cutting power to your Mac and then restarting it from scratch.

For a MacBook with a built-in battery, you can perform a power cycle to address issues where your Mac won't turn on after updating to macOS 14:

Step one: Hold the power button for 10 seconds.

< b > Step 2: < /b > Restart your Mac.

Solution 2: Force Restart your Mac

The best way to fix this error is to force restart your MacBook. Follow the steps to restart MacBook Pro forcefully:

Step 1: Hold down your Mac's power button until it completely shuts down.

Step 2: Wait a while, then restart your Mac.

And if you like these solutions, don't forget to share them with your friends on social media.

Solution 3: Reset the Mac's NVRAM or PRAM

NVRAM/PRAM is a special type of memory that stays active even when your MacBook is turned off. It contains various bits of information, such as brightness settings, volume settings, and screen resolution. Resetting these settings is a breeze and has often proven to be effective in resolving update and startup issues with a Mac. Follow the steps in this guide to reset your Mac's NVRAM/PRAM.

Step 1: Turn off your Mac.

Step 2: Press and hold the “Command,” “Option,” “P,” and “R” keys to start your Mac.

Press all these keys at the same time:

3. Release the keys after you hear the startup sound, and hold them down for at least 20 seconds.

Step 4: Your MacBook should now start up quickly.

If the NVRAM reset didn't work, look for your solution in the sections below:

Please provide the English content you want translated, and I'll translate it into Chinese for you as soon as possible.

Solutions to Fix NVRAM Reset Not Working on Mac

There are multiple ways to resolve the 'NVRAM reset not working' issue. Find detailed tutorials in this article. Read More >>

Method 4: Boot Your Mac in Safe Mode

If your Mac won't turn on after updating to macOS 14, try booting it into Mac Safe Mode. It only runs essential programs at startup, allowing you to remove incompatible software that might be preventing your Mac from booting. Follow these steps to start an Apple M1 MacBook Pro or Air in Safe Mode:

< b > Step 1: < /b > Shut down your Mac.

Step 2: Hold down the Power key until you see the startup options and a list of disks.

Step 3: Select your “Boot Disk” > Hold down the “Shift” key > Click “Safe Mode” to proceed.

To learn more about how to start your Mac in Safe Mode, click on the link below:

Method 5: Repair the Startup Disk in Recovery Mode

If your Mac boots to a frozen screen or black screen, you can try booting it into Recovery Mode to restore your Mac startup disk. Follow these steps:

Step 1: On an Apple silicon Mac, press and hold the power button for 10 seconds until you see the Startup Options window.

Step Two: Click “Options” and then “Continue.”

When you're in the macOS Recovery window, choose Disk Utility and click Continue. In Disk Utility, select your Mac's startup disk, then choose First Aid to repair the startup disk.

Are you willing to reinstall macOS? If so, you can choose Reinstall macOS from the macOS Recovery window. For more information about repairing your Mac's disk, read:

Please provide the English content you want translated, and I'll promptly translate it into Chinese for you.

How to Repair Mac Disk with Disk Utility

This article discusses 5 free and easy methods to recover deleted files on a Mac before or after emptying the trash. Read More >>

Solution 6: Contact Apple Support

If you've tried all of these steps and still can't get your MacBook to charge, there might be a more hidden hardware issue at play. It's important to contact Apple Support for further assistance.

Additional Tips: How to Avoid Issues with the macOS Sonoma Update When installing the macOS Sonoma update, following these recommendations can help you avoid potential problems: 1. **Backup Your Data**: Make sure all your important files, photos, and data are backed up before any system update. Use Time Machine or another reliable backup solution. 2. **Check Compatibility**: Verify that your Mac model and current operating system version are compatible with the macOS Sonoma update. Visit Apple's official website for compatibility information. 3. **Update Software**: Ensure all your applications and system software are up to date before upgrading. This helps minimize compatibility issues with the new operating system. 4. **Sufficient Battery**: If you have a portable Mac, make sure it's plugged in or has ample battery during the update to prevent interruption due to power loss. 5. **Close Applications**: Close all running applications before starting the update to free up system resources and ensure a smooth process. 6. **Stable Network Connection**: Connect your Mac to a stable and fast internet connection. The update may require significant data downloads, so network quality is crucial. 7. **Be Patient**: The update process may take time; avoid forcefully restarting or closing your Mac during installation, which could damage the system. 8. **Monitor the Update**: Keep an eye on the on-screen instructions during the update to track progress and follow prompts. 9. **Recovery Options**: It's essential to know how to revert to a previous operating system version if issues arise after the update. Create a recovery partition or a recovery drive before updating. 10. **Seek Assistance**: If you encounter any issues, don't hesitate to contact Apple Support or seek professional technical assistance. By adhering to these guidelines, you should be able to complete the macOS Sonoma update smoothly and avoid most common issues.

When a new macOS Sonoma update is available, the Software Update tab in System Preferences pops up to remind you to upgrade your Mac. The question is, “Do you want to restart and install these updates now, or try again tomorrow?”

However, there are risks involved when updating directly from the Apple menu, such as getting stuck with an unapplied macOS update, encountering error messages during installation, or even losing essential data. You can take preventive measures to avoid running into macOS Sonoma issues.

1. Read reviews from tech experts. After a new version of macOS is released, you'll have to read through many reviews by tech experts to learn about any bugs that might be present.
2. Make sure Apple's servers are up and running. To avoid errors when updating to macOS Sonoma, check Apple's System Status page to make sure their servers are working properly.
3. Ensure you have enough available disk space. When updating your Mac to Sonoma, you need to have sufficient disk space available. Whether you have an SSD or HDD, you should have some free space.

And if you found that helpful, please do share this information with your friends on social media.

In short

If your Mac fails to boot after updating to macOS Sonoma, try these 6 troubleshooting steps. Don't forget to back up your data regularly using tools like Data Recovery Wizard to prevent data loss in case of software or hardware issues.

Please provide the English content you would like translated, and I will do my best to translate it into Chinese.

Backup Your Mac and Never Lose Data

Back up and restore your MacBook/iMac without using Time Machine, iCloud, or an external hard drive.

"FAQ: Issues with starting up your Mac after updating to Sonoma"

Please read through the following frequently asked questions for a better understanding of the error:

What happens if my Mac has problems updating to macOS Sonoma?

It's recommended that you schedule an appointment at an Apple Store for diagnosis. This could be due to corruption of critical operating system files during the update process, which was interrupted by your Mac shutting down abruptly.

2. How to recover lost files after upgrading to macOS Sonoma?

If you lost data during the upgrade of your MacBook to macOS Sonoma, you can use tools like Data Recovery Wizard for Mac to help retrieve your missing files.

< b > What should I do if my MacBook gets stuck on the loading screen after updating to macOS 14?

Press Command + Option + P + R keys to reset the NVRAM/PRAM, and then your issue of Mac stuck on loading screen will be fixed.

4. How to properly update macOS Sonoma? To update your macOS Sonoma correctly, follow these steps: 1. **Verify compatibility**: First, ensure that your Mac model and the current operating system version support macOS Sonoma. You can check this information in "About This Mac." 2. **Backup your data**: Before any major update, it's always recommended to back up important data. You can use Time Machine or a third-party backup solution for this. 3. **Check for software updates**: - Open "System Preferences." - Click on "Software Update." - If a macOS Sonoma update is available, click "Update Now" to start the download and installation process. 4. **Download and install**: If macOS Sonoma isn't listed in "Software Update," it might not be released yet or may not be supported by your device. When it becomes available, follow the on-screen instructions to download the installation file and proceed with the installation. 5. **Agree to terms and conditions**: During the installation, you may need to read and agree to Apple's terms and conditions. 6. **Wait for installation to complete**: The installation may take some time, during which your Mac might restart several times. Be patient and avoid forcibly shutting down your computer. 7. **Finish setup**: After the installation is complete, your Mac will automatically enter a setup wizard. Follow the prompts to finish setting up, log in with your Apple ID, restore your backup (if necessary), and start using macOS Sonoma. Please note that these steps are general guidelines, and the actual process might vary depending on Apple's update strategy or your specific Mac model. Always refer to official Apple updates and instructions for the most accurate information.

The best way to update to macOS Sonoma is by clicking the Apple logo in the top-left corner of your screen and selecting System Preferences > General > Software Update. You can also download macOS Sonoma from the App Store.