Sidecar resolution issues

Hi Ruby-618,

Welcome to Apple Support Communities. We understand that you're having an issue with using your iPad Pro with Sidecar. We'd like to help.

Did this issue start only after the update to Monterey? Have you confirmed that each device meets the requirements for Sidecar? Check this resource out to confirm: 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.

Let us know if anything in the resource above helps.

Cheers!