Testing conducted by apple in july 2020 using preproduction 3 6ghz 10 core intel core i9 based 27 inch imac systems with 128gb of ram and shipping 3 6ghz 8 core intel core i9 based 27 inch imac systems with 64gb of ram.
Apple dual monitor desktop computer.
Choose apple menu system preferences then click displays.
Understand that not all desktop computers support dual monitors.
Enable double tap on apple pencil.
Choose apple menu system preferences then click sidecar.
Depending on your computer s graphics card and motherboard you may not be able to run a second monitor at the same time as your first.
These preferences are available only on computers that support sidecar.
Again if you re using an apple imac desktop unit you can use dual monitors.
Apple says lg s ultrafine 5k display is suitable to use with its latest range of laptops.
Acer s xr342ck 34 inch curved display scores top marks for an ultrawide if you have the necessary desk space.
Applecare for mac every mac comes with a one year limited warranty and up to 90 days of complimentary technical support applecare for mac extends your coverage to three years from your applecare purchase date and adds up to two incidents of accidental damage protection every 12 months each subject to a service fee of 99 for screen damage or external enclosure damage or 299 for other.
You might also need an adapter.
Show the touch bar on the bottom or top of your ipad screen or turn it off.
Allow apps that support this feature to.
You may be able to connect more than one display to your mac.
How to use your ipad as a second monitor on any computer.
Performance tests are conducted using specific computer systems and reflect the approximate performance of imac.
This display uses thunderbolt 3 to drive the monitor and simultaneously provide 85 watts of charge for your laptop over usb c.
A red border appears around the display as it s moved.
Mac compatibility mac compatibility macbook air retina 13 inch 2020 macbook air retina 13 inch 2018 2019.
Click the arrangement tab.
Show the sidebar on the left or right side of your ipad screen or turn it off.
To do so you need a video cable for each display.
You can also change your primary display which is where your desktop icons and app windows first appear.
Sidecar in macos catalina turns your ipad into a second display with just a few clicks but it s limited to certain macs and ipads.