If you see the same thing on both displays, you should start by making sure the displays are Extended instead of Mirroring ...

HDMI is the de facto standard for connecting a monitor to a Mac and has been for many years, but there are many older Macs out there that can't be easily connected to that modern connector. Here's ...

I used to perform a solo 14-inch-display show on my MacBook Pro (much to my coworkers' dismay) until I got spoiled at a friend's house with their dual 4K monitor workstation.

M2 MacBook Pro: Similar to the MacBook Air models, the standard M2 MacBook Pro also supports only one external display natively. Solutions for Connecting Multiple Monitors ...

Many MacBook Airs only allow you to connect one external monitor. Here is how to connect two or more displays to boost your productivity even more.