How to fix "Sidecar device timed out" error on Mac.

How to Fix Sidecar “Device Timed Out” Error on Mac

You probably already know this, but Sidecar has compatibility requirements for both Mac and iPad. These features aren't available at all on devices that don't support Sidecar.

1: Make sure Bluetooth and Wi-Fi are enabled on your Mac and iPad

The first thing you need to do is make sure Bluetooth and Wi-Fi are enabled on both your Mac and iPad .

These devices should also be physically close to each other.

2: Make sure Handoff is enabled on Mac and iPad

On Mac, you can do this by going to System Preferences > General > Allow Handoff on this Mac and your Switch Between iCloud Devices" to make sure Handoff is enabled.

On iPad, you can confirm that Handoff is enabled by going to Settings > General > AirPlay & Handoff to make sure Handoff is enabled.

3: Restart your Mac and iPad

Usually just restarting your iPad and Mac can solve Sidecar connection issues. It's simple, so it's worth a try.

4: Update system software

Updating macOS and iPadOS to the latest version of the system software usually ensures that features such as Handoff run smoothly, so it is best to run the latest version of the system software.

Of course, you must be running a system software version that supports Sidecar, which is MacOS Catalina 10.15 or later and iPadOS 13 or later. The reliability of the new version seems to have improved.

Please note that it is not always necessary to be running the absolutely latest operating system as long as the version supports the feature. For example, you can run Sidecar on a Mac running macOS Big Sur 11.6.1 and an iPad running iPadOS 15.1, even though Monterey and Ventura are newer for Mac.

5: Turn on iCloud Keychain on Mac and iPad

Using iCloud Keychain, which stores logins and passwords in iCloud, may resolve Sidecar connection issues.

On Mac, go to System Preferences > Apple ID / iCloud > iCloud > Make sure Keychain is selected and enabled.

On iPad, go to Settings > Apple ID > iCloud > Keychain > iCloud Keychain is turned on.

6: Manually Find an iPad with Bluetooth from a Mac

Sometimes manually finding an iPad with Bluetooth from a Mac can fix connection timeout errors and Sidecar connection issues.

On iPad, open Settings > Bluetooth and keep this screen open.

Now on your Mac, turn on Bluetooth (from System Preferences or the Bluetooth menu bar item), wait for the iPad to appear, then click Connect and confirm the connection via the Bluetooth code.

#The iPad may temporarily disconnect from the Mac via Bluetooth, but the two can now find and communicate with each other.

Next, go back to System Preferences > Sidecar > Retry the connection to your iPad on your Mac and it should work now.

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