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Port 1 and screen 1 work, but screen 2 doesn't starts.
Then I try port 2 with screen 1, and it works.
But i can't find a way to display both screens at the same time.
MacBook Pro 13″, macOS 13.5
Apple-Silicon 2020 M1 13-in MacBook Pro and Air and 2022 Apple-Silicon M2 13-in MacBook Pro and Air and the 2023 MacBook Air 15-in model are extremely-capable entry-level computers. They can support the internal display AND an External display up to the previously unheard of size of the Apple 6K display at billions of colors. But only ONE in addition to the internal display.
This may not match the way older computers forced you to work, since older computers were not able to support a really large external display. But it is NOT a defect. The spec was available long before you could purchase the computer.
The Apple standard for its built-in hardware-accelerated displays, makes them suitable for full-motion video for production/display of cinema-quality video with NO dropped frames, and NO dropouts or partial-blank scan lines due to memory under-runs or other issues. This requires a hardware rasterizer/display-generator for each fully-accelerated display.
If you need more hardware-accelerated displays than the built-in and ONE external display, and an un-accelerated iPad if desired, you probably need a more capable computer.
If you are only doing program listings, spreadsheets, stock quotes and other slow to change data, there are some other solutions, but they require you to make some strong compromises.
Executive summary: More than ONE additional Hardware-accelerated display can NOT be added to the entry-level 13-in or 15-in M1 or M2 systems.
Apple-Silicon 2020 M1 13-in MacBook Pro and Air and 2022 Apple-Silicon M2 13-in MacBook Pro and Air and the 2023 MacBook Air 15-in model are extremely-capable entry-level computers. They can support the internal display AND an External display up to the previously unheard of size of the Apple 6K display at billions of colors. But only ONE in addition to the internal display.
This may not match the way older computers forced you to work, since older computers were not able to support a really large external display. But it is NOT a defect. The spec was available long before you could purchase the computer.
The Apple standard for its built-in hardware-accelerated displays, makes them suitable for full-motion video for production/display of cinema-quality video with NO dropped frames, and NO dropouts or partial-blank scan lines due to memory under-runs or other issues. This requires a hardware rasterizer/display-generator for each fully-accelerated display.
If you need more hardware-accelerated displays than the built-in and ONE external display, and an un-accelerated iPad if desired, you probably need a more capable computer.
If you are only doing program listings, spreadsheets, stock quotes and other slow to change data, there are some other solutions, but they require you to make some strong compromises.
Executive summary: More than ONE additional Hardware-accelerated display can NOT be added to the entry-level 13-in or 15-in M1 or M2 systems.
Thanks Grant. I really appreciate that.
Too bad I didn't think about asking this before my purchase a few weeks ago. My previous McBook Pro was just 2 years old, and was working fine with 2 additional displays. I decided to change when the laptop screen was damaged... I would have had it repaired !
Have a great week end.
What sort of data are you viewing?
You know you can also use the 13-in built-in as one of your displays, right?
Extended desktop:
...
I can't figure out how to connect 2 external screens on my new MacBook Pro (it was working great with the previous one I have just replaced).
