Use macbook as second monitor for iPad

Hey there appleuserhi,

While using a MacBook as a display for your iPad isn't supported, we can provide some other options that may help with what you're trying to accomplish.

Connect iPad to a display with a cable gives some great options. "With the appropriate cable or adapter, you can connect your iPad to a secondary display, like a computer display, TV, or projector, where you can view the iPad screen."

If both devices meet system requirements, you can Use an iPad as a second display for a Mac. Find the system requirements for this below:

"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."

We hope this helps.

Take care!