Difficulties with new system software versions tend to appear for a small group of users, and MacOS Monterey is no exception. While most users have successfully installed macOS Monterey without issues, some may encounter various problems or bugs.

This article will outline some of the known issues related to macOS Monterey and provide potential solutions where possible. Be sure to share your own experiences in the comments section.

Common Issues with macOS Monterey & Solutions

Here are some reported problems with macOS Monterey along with troubleshooting steps that might help.

macOS Monterey Not Showing as Available, “Unable to Check for Updates” Error

If macOS Monterey does not show up as available in the Software Update menu, it could be due to several factors, both of which can usually be resolved easily.

• Your Mac might not support macOS Monterey – verify compatibility by checking the list of supported devices.
• There may be a temporary issue with Apple's update servers – ensure Wi-Fi is enabled and internet access is active, then refresh the Software Update panel using Command R.

If you’re certain your Mac is compatible but still cannot see the update, you can directly download the InstallAssistant.pkg file here, which places the full installer into your /Applications/ folder.

macOS Monterey Feels Slow

Some users report slower performance after upgrading to macOS Monterey. This often happens after major OS updates because background processes like Spotlight indexing and photo reorganization kick in.

The best solution is to leave your Mac running and idle overnight, ideally with the screen off. Performance should return to normal within a day or two depending on how much data needs processing.

Wi-Fi Issues After Updating to macOS Monterey

Wi-Fi problems such as dropped connections or slow speeds are commonly reported after major OS updates.

To fix this, try deleting current Wi-Fi preferences, restarting your Mac, and reconnecting to your network. This often resolves connectivity issues.

Bluetooth Disconnects or Fails to Connect in macOS Monterey

Some users experience Bluetooth connection drops after updating to macOS Monterey.

Try disconnecting and reconnecting the device. Also, check that the Bluetooth device has sufficient battery power. If low battery isn’t the cause, remove the device from your Mac, restart, and pair again. As a last resort, delete Bluetooth preference files.

You can also reset the Bluetooth module via Terminal:

sudo pkill bluetoothd

This command mimics the "Reset Bluetooth Module" option found in earlier macOS versions.

macOS Monterey Won't Download or Install

Some users face difficulties downloading or installing macOS Monterey altogether.

A common fix is to delete the current installer, restart your Mac, and redownload the installer either through System Preferences, the App Store, or by direct download of InstallAssistant.pkg.

If you see an error saying “An error occurred while preparing the installation. Try running this application again.”, try redownloading the installer. Note: if you're using a third-party SSD, this error may persist until firmware is updated with an official Apple SSD.

macOS Monterey Won't Install on Non-Apple SSDs

Users who replaced their internal SSD with a third-party one may encounter the “A required firmware update could not be installed” error.

One workaround involves temporarily reinstalling the Apple SSD, installing macOS Monterey, then switching back to the third-party SSD and reinstalling. This allows the firmware update to proceed, though it’s quite inconvenient.

Future macOS updates may address this issue.

Further details are available at tinyapps blog.

“Your System Has Run Out of Application Memory” Error

Some users report memory leaks resulting in the “Your System Has Run Out of Application Memory” error. Affected apps include Mail, Pages, Final Cut, Brave, Firefox, and even system tools like Control Center or FaceTime.

Reports suggest custom cursor settings might contribute to this problem, so resetting cursor size/color to defaults may help.

A temporary fix includes quitting the problematic app and rebooting. If the Mac becomes unresponsive, a hard reboot (holding the power button) may be necessary.

Using alternative apps (e.g., Safari instead of Firefox) may also help until Apple releases a patch.

macOS Monterey Rendering Some Macs Unusable or Bricked

In rare cases, macOS Monterey may render a Mac completely unusable, showing only a black screen after boot.

This issue seems tied to firmware update failures during installation.

Currently, contacting Apple Support is the recommended solution. One advanced workaround involves restoring via DFU mode using another Mac, though this requires technical expertise.

Update 11/5/2021: Apple has reportedly fixed the firmware issue affecting T2 Macs. Contact Apple Support if impacted.

“Volume Hash Mismatch Detected on Volume. macOS Should Be Reinstalled” Error

Some users encounter the “Volume Hash Mismatch – Hash mismatch detected on volume disk1s5. macOS should be reinstalled on this volume.” error, often after a kernel panic or crash.

Reinstalling macOS may resolve the issue, although results vary. Downgrading to macOS Big Sur removes the error, but is not ideal for most users.

The root cause remains unclear and may require future macOS updates to fully resolve.

USB-C Hubs Stopped Working After macOS Monterey Update

Some USB-C hubs stop working properly after updating to macOS Monterey, experiencing frequent disconnections or partial functionality.

Changing cables, using shorter ones, or trying different ports on the Mac may resolve the issue.

“A Required Firmware Update Could Not Be Installed” Error

This error typically occurs when attempting to install macOS Monterey on a Mac with a third-party SSD or external drive.

Variations of the error include:

“Compatible internal storage is required in order to update.”

or

“An error occurred while preparing the installation. Try running this application again.”

or

“A required firmware update could not be installed.”

Reinstalling macOS Monterey may help. For third-party SSDs, swapping back to an Apple SSD, installing Monterey, then switching back may work, albeit inconveniently.

Trackpad Tap-to-Click Malfunction in macOS Monterey

Some Macs experience tap-to-click issues after updating to macOS Monterey, where the first tap is ignored.

This was observed inconsistently on a 2018 MacBook Air model. A workaround is to use physical clicks or adjust sensitivity settings.

Adobe Photoshop Elements Freezes or Crashes in macOS Monterey

Photoshop Elements may freeze or fail to launch after updating to macOS Monterey.

Adobe is expected to release a fix in a future update.

Apps Crash, Freeze, or Misbehave in macOS Monterey

Various third-party apps may malfunction in macOS Monterey due to incompatibility.

Updating apps regularly or contacting developers for support is recommended. Apple’s beta testing period allows developers to prepare apps for new OS features, but some may take longer than others.

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Have you encountered any issues with macOS Monterey? Did any of these fixes work for you? Share your experiences in the comments below.

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