[Updated] Common macOS Sequoia Issues and Their Fixes

Apple officially announced macOS Sequoia at WWDC on June 10, 2024. This major update brings us many new features, such as Window Tiling and Snipping, iPhone Mirroring, a new Passwords app, and more.

However, this update also comes with a lot of problems. We’ve compiled a list of the most common macOS Sequoia issues and provided some troubleshooting tips. Hopefully, these will help you get macOS Sequoia running smoothly on your Mac.

Let's get started.

macOS Sequoia 15.2 Bugs and Issues

Here are some reported bugs in macOS Sequoia 15.2:

• Chrome not working.
• External monitor not detecting.
• OWC Thunderbay 4 drives not loading.
• macOS Sequoia 15.2 update stuck.

14 Top Common macOS Sequoia Issues

• macOS Sequoia download and installation stuck.
• Apps crashing.
• Mac frozen
• Safari not working properly.
• Wi-Fi not working.
• AirDrop not connecting or controlling media.
• Mac battery health decreases.
• Issues with Spotlight indexing.
• Mac overheating.
• FaceTime not working.
• Keyboard not working.
• Mac running slow after update.
• Can't enter password on login screen.
• iPhone Mirroring not working.
• Wallpaper disappeared.

How to Fix Common macOS Sequoia Issues

Below, we've provided solutions to common macOS Sequoia issues.

How to Fix macOS Sequoia Download Issues

If you can't download macOS Sequoia, follow the steps below to troubleshoot.

1. Ensure your Mac is compatible with macOS Sequoia.

macOS Sequoia Supported Devices:

• iMac: 2019 and later
• iMac Pro: 2017 and later
• Mac Studio: 2022
• MacBook Air: 2020 and later
• Mac Mini: 2018 and later
• MacBook Pro: 2018 and later
• Mac Pro: 2019 and later

2. Check your Wi-Fi or internet connection.
3. Check if there is a problem with Apple Servers.
4. Ensure that your Mac has enough storage space. (If your Mac is low on storage space, use the best Mac cleaner BuhoCleaner to clean it up.)
5. Ensure that your Mac is logged in with the correct Apple ID and that your account is not locked or suspended. (See what to do if your Apple ID is locked.)

How to Fix macOS Sequoia Installation Issues

"The Installation Failed" is also a common macOS Sequoia issue. When you encounter such installation problems, follow the tips below:

1. Clear enough storage space for macOS Sequoia installation.
2. Check if your Mac has a stable internet connection.
3. Ensure that your Mac can run macOS Sequoia.
4. Make sure your Mac has enough power (it is best to connect your Mac to the power cord during installation).
5. Restart your Mac and try again.

How to Fix Memory Issues on macOS Sequoia

Some users reported that they experienced memory leaks and memory exhaustion issues on macOS Sequoia.

To fix them,

1. Quit problematic applications.
2. Use Activity Monitor to kill memory-hogging processes.
3. Utilize BuhoCleaner to free up RAM and monitor your RAM usage in the menu bar in real time .
4. Restart your Mac.

If memory issues persist, wait for the next macOS update or downgrade macOS Sequoia to macOS Sonoma.

How to Fix Mac Overheating Issues on macOS Sequoia

Another common macOS Sequoia problem is your Mac overheating. When this happens, you may also notice your Mac's fans running loudly. The main cause of this problem is high CPU usage on your Mac. To troubleshoot:

1. Quit unused applications and programs.
2. Disabled unwanted startup programs.
3. Close unused browser tabs.
4. Avoid using your Mac in high ambient temperatures
5. Wait for more time as your Mac may be indexing files.
6. Reset SMC.

How to Fix Spotlight Indexing Issues on macOS Sequoia

If you're facing Spotlight indexing issues, the best way to fix them is to rebuild the Spotlight index.

Here are three ways to do it:

1. Force your Mac to reindex Spotlight.
2. Rebuild the Spotlight index with BuhoCleaner in one click.
3. Run commands in the Terminal to reindex Spotlight.

For more details, check out How to Rebuild Spotlight Index on macOS Sequoia.

How to Fix Wi-Fi Not Working Issues on macOS Sequoia

Wi-Fi not working properly is also a big problem on macOS Sequoia. Here are some things you can do.

1. Make sure your Mac is connected to a stable network.
2. Turn the Wi-Fi off and back on to try again.
3. Delete the network you registered and reconnect.
4. Try the network on another device.
5. Change DNS settings.
6. Clear DNS cache.
7. Delete system configuration files in /Library/Preferences/SystemConfiguration/
8. Disable or delete unnecessary system extensions.

How to Fix AirDrop Not Working Issues on macOS Sequoia

You may encounter various issues when using AirDrop on macOS Sequoia, such as AirDrop not connecting, AirDrop not being detected, AirDrop constantly canceling, and AirDrop not being able to control media. Whatever issue you encounter, follow these steps to troubleshoot:

1. Turn off and on AirDrop.
2. Check if the AirDrop settings are correct.
3. Turn on Wi-Fi and Bluetooth, then try again.
4. Bring your devices closer to each other.
5. Check if the target device has enough storage space.
6. Temporarily disable the firewall and security software.
7. Restart your Mac.

The Bottom Line

Now that you're aware of the common issues in the macOS Sequoia and have learned some tips for resolving common macOS Sequoia problems. Hope it helps.