How to Connect an Apple LED Cinema Display to a New Mac Using a USB-C to Mini DisplayPort 4K Adapter

To connect an LED Cinema Display (2012) to a MacBook Air M2 (2022), you'll need a USB-C to Mini DisplayPort adapter since the MacBook Air uses USB-C ports and the Cinema Display requires Mini DisplayPort.

I’ve used this USB-C to Mini DisplayPort 4K adapter successfully for similar setups:

USB-C to Mini DisplayPort Adapter.

It’s straightforward to use and works well with the Cinema Display’s resolution. There’s also a helpful guide here if you’d like more information:

Macfixit Blog – USB-C to Mini DisplayPort Adapter.

Hopefully, this helps!