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12 Common macOS Catalina Problems & How to Fix Them

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This is how you can fix macOS Catalina problems on your Mac without waiting for Apple to release an update full of bug fixes or heading to an Apple Store. Many macOS 10.15 problems are easy to fix on your own if you know what to do.

We’re seeing reports of macOS Catalina download problems, plenty of macOS Catalina install problems and other complaints related to performance, battery life, app compatibility and more. While we can’t solve all issues, like missing XML information that DJs need or compatibility with third-party hardware that musicians, need we do have a way for you to get back to macOS Mojave if you fall into that group.

  1. How to fix macOS Catalina Download Problems
  2. How to fix macOS Catalina Install Problems
  3. How to fix macOS Catalina Performance Issues
  4. How to fix macOS Catalina Battery Life Problems
  5. How to fix macOS Catalina WiFi Issues
  6. How to fix macOS Catalina Sidecar Issues
  7. How to fix macOS Catalina Bluetooth Problems
  8. How to Fix macOS Catalina Notification Problems
  9. How to Fix macOS Catalina File Access Problems
  10. How to fix macOS Catalina App Problems
  11. How to fix macOS Catalina Adobe App Issues
  12. How to Fix Annoying Catalina Problems

The guide will walk you through fixes for common macOS Catalina problems, errors, and issues that users are experiencing so that you can solve your own problem. In some cases, you will need to wait for an update, or you may need to downgrade to macOS Mojave while you wait for a fix.

How to fix macOS Catalina Download Problems

How to fix macOS Catalina download problems.

How to fix macOS Catalina download problems.

We ran into macOS Catalina download problems twice when trying to install the update on day one. The error “The network connection was lost.” appeared when trying to download, and then we had to restart. We also saw slow downloads. There are two fixes, and depending on your situation, you may only be able to do one of them.

The easiest option is to plug in an ethernet cable to download the macOS Catalina update. This can solve some download issues and speed up slow downloads. If you don’t have an ethernet adapter, this may not be practical.

Another option is to simply try again later. This is annoying, but in the first few days, the update will take longer and you are more likely to see an error.

A final solution may be to restart your networking gear or simply take your Mac to work or to a library or school with a faster Internet connection.

How to fix macOS Catalina Install Problems

Fix macOS Catalina install problems.

Fix macOS Catalina install problems.

We also ran into a macOS Catalina installation problem mid-way through. The installer decided we didn’t have enough free space and would boot loop into the Mojave login screen and right back to the installer.

We solved the issue by quitting the installer and then using the Disk Utility in the macOS recover menus to delete a partition we didn’t need. You can also try restoring to the Time Machine Update you made right before you started, which will get you back into macOS Mojave and allow you to delete some files.

Other users may have good luck booting into safe mode and deleting some files. To Boot into safe mode on Mac, hold the shift key when you see the Apple Logo.

How to fix macOS Catalina Performance Issues

How to fix macOS Catalina performance problems.

How to fix macOS Catalina performance problems.

It’s not out of the ordinary to feel like your Mac is slower right after installing an update like Catalina. In fact, you probably saw a warning like the one above when you started macOS 10.15 for the first time.

In general, you should wait a day or so to see if performance improves. Once this time is up, try restarting your Mac and seeing if it runs better. You can also try installing app updates, many of which will include optimizations for Catalina.

If your Mac is still slow, you may need to do a clean macOS Catalina install to get rid of issues.

How to fix macOS Catalina Battery Life Problems

How to fix poor macOS Catalina battery life.

How to fix poor macOS Catalina battery life.

Similar to performance, you may see bad macOS Catalina battery life for the first day or two as everything falls into place and background tasks process. If this continues past a few days, you can try updating your apps and restarting your Mac.

When you click on the battery icon in the menu bar, it will show you the apps using your Mac’s power. If you see Spotlight, then your laptop is still working on background tasks. If you see apps like Chrome or Photoshop, you may need to update your apps or close them when you need better battery life.

Here’s a more in-depth look at how to fix bad macOS Catalina battery life and battery drain.

How to fix macOS Catalina WiFi Issues

Thankfully we aren’t seeing many specific macOS Catalina WiFi problem complaints, but if you run into issues connecting to WiFi or to a personal hotspot, you can likely fix the issue in a minute.

Click on WiFi in the menu bar and turn WiFi Off. Wait 10-15 seconds and turn it back on. Many times this solves the issue for us, and it helped save us when using a personal hotspot.

If you still have issues, see if you can connect to another WiFi network, if other devices can connect to the network you cannot connect to and try restarting your Mac and the router.

How to fix macOS Catalina Sidecar Issues

How to fix macOS Catalina sidecar problems.

How to fix macOS Catalina sidecar problems.

If macOS Catalina Sidecar is not working, you may need a newer Mac or a newer iPad, but in some cases, you just need to restart your devices.

Sidecar only works with the iPad 6, iPad 7, iPad mini 5, iPad Air 3 and all iPad Pro models. On the Mac side, you need a fairly recent Mac on this list;

  • iMac 27″ (2015) and up
  • MacBook Pro (2016) and up
  • Mac Mini (2018)
  • Mac Pro (2019)
  • MacBook Air (2018) and up
  • MacBook (2016) and up
  • iMac Pro (2017) and up

If you don’t have the right hardware, this won’t work. We’ve run into one other Sidecar problem while using it so far. Sidecar froze while using it with our MacBook Pro. I had to disconnect using the menu options and then it allowed me to restart and it worked.

So far we can’t find a way to use Portrait orientation and will update if we find a way to change the orientation.

How to fix macOS Catalina Bluetooth Problems

We’re seeing reports of missing Bluetooth on macOS Catalina, Bluetooth headphones being choppy and even complaints about keyboards.

You can try turning Bluetooth off and back on. This can help with some issues, just make sure you have a way to connect a mouse to your computer to turn it back on.

If audio is choppy, try removing the Bluetooth device and then pairing it with your Mac again. To do that,

  1. Click on the Bluetooth icon in upper right area of your screen then on open Bluetooth preferences.
  2. Click on the device and delete it then start the pairing process.

If you can’t get Bluetooth to work at all, you may need to delete the plist file for Bluetooth. On older versions, this existed in the location below, but we can’t find it on macOS Catalina yet.

  1. Go to the System Configuration folder – /Library/Preferences/SystemConfiguration/ to delete a group of files. You can copy that folder location and then press Command + Shift + G while in Finder, then paste that location in to go to the right folder.
  2. Delete – com.apple.Bluetooth.plist
  3. Restart your Mac.

Apple suggests restarting the MAc and then creating another user to see if Bluetooth works for a new user on the Mac.

How to Fix macOS Catalina Notification Problems

Fix macOS Catalina Bluetooth problems and errors.

Fix macOS Catalina Bluetooth problems and errors.

Part of the macOS Catalina update is a new control over notifications. If you aren’t getting notifications for an app, you may have turned them off on accident. You can change these options in settings to quickly re-enable app notifications.

  1. Open Settings.
  2. Click on Notifications.
  3. Click on the app.
  4. Toggle Notifications on.

You can also change the settings to control the type of notification if you want sounds and other options.

How to Fix macOS Catalina File Access Problems

Change app file access settings in macOS Catalina.

Change app file access settings in macOS Catalina.

The macOS Catalina update changes how apps can access files on your Mac. When you open a new app, you may need to give it access to many folders or to a specific folder for it to work.

If you chose no, and need to add access, or if you change your mind and want to limit access, you can do this in settings.

  1. Open System Preferences.
  2. Click on Security & Privacy
  3. Click on Files and Folders
  4. Click on the app and then make the changes you want.

You will need to restart the app for the changes to take effect.

How to fix macOS Catalina App Problems

Are your apps nto working on macOS Catalina? The first thing to do is check for an update. This is what I had to do with LastPass for Safari, and you may need to do it with multiple apps.

Check for updates using the app, or on the developer website. You can also check in with support for the app and on Twitter, where many companies are communicating information about compatibility.

In some cases, you may need to spend money and buy an updated version of the app, but most updates are free.

How to fix macOS Catalina Adobe App Issues

If you cannot use your Adobe apps on macOS Catalina, it is likely due to them being 32-bit apps, which Apple no longer supports on Catalina. Adobe shares this information on a support page.

The fix is to upgrade to a 64-bit version of the app. This may be a free upgrade depending on your plan, but you may need to go to Creative Cloud or a newer version.

How to Fix Annoying Catalina Problems

If you cannot fix the macOS Catalina errors or problems on your own, you can get in touch with Apple Support on Twitter, or go into an Apple Store. You may need to downgrade from macOS Catalina to macOS Mojave until an update to macOS or to the app fixes your problem.

Many pro audio tools are not compatible with macOS Catalina including some instrument connections and DJ apps, so you will need to go back to Mojave until Apple fixes this.

Here’s how to downgrade from Catalina to macOS Mojave.

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