Sidecar
I don't have the option to use sidecar with my iMac despite having all the requirements and correct settings.
iMac 21.5″, macOS 10.15
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Both devices must meet the System and Additional requirements.
see > Use an iPad as a second display for a Mac - Apple Support
Sidecar system requirements
Sidecar works with these devices and operating systems.
macOS Catalina or later
- MacBook Pro introduced in 2016 or later
- MacBook introduced in 2016 or later
- MacBook Air introduced in 2018 or later
- iMac introduced in 2017 or later, or iMac (Retina 5K, 27-inch, Late 2015)
- iMac Pro
- Mac mini introduced in 2018 or later
- Mac Pro introduced in 2019
- Mac Studio
iPadOS 13 or later
- iPad Pro (all models)
- iPad (6th generation) or later
- iPad mini (5th generation) or later
- iPad Air (3rd generation) or later
Additional requirements
- Both devices must be signed in with the same Apple ID using two-factor authentication. Sidecar does not support Managed Apple IDs.
- To use Sidecar wirelessly, both devices must be within 10 meters (30 feet) of each other and have Bluetooth, Wi-Fi, and Handoff turned on. Your iPad must not be sharing its cellular connection and your Mac must not be sharing its internet connection.
- To use Sidecar over USB, your iPad must be set to trust your Mac.