How do I connect an old apple 24 inch LED monitor with a mini display port and a USB port to my MacBook Pro with two thunderbolt 3 ports?

Hello erinely,

We understand that you’d like to connect your Apple Cinema Display with your MacBook Pro, and we’d love to help. To do so, you will need an adapter. Click here for more details: Adapters for the Thunderbolt 3 or USB-C port on your Mac or iPad Pro

We also suggest reviewing the following resources as well:

• Connect a display to your Mac

• Get help with video issues on external displays connected to your Mac

Thanks for connecting with us. Have a wonderful day!

erinely,

You’re very welcome. We’re here if you need any further assistance.

Stay safe and well!