You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

unklebacon Author

Level 1

14 points

Older Dell monitor now not working on new Macbook Pro 2019 16"

I was running two Dell external monitors on my early 2015 13" Macbook Pro:

- P2414H via Displayport/Thunderbolt 2 adapter

- SE2717H/HX via HDMI/Thunderbolt 2 adapter

I've upgraded to a 2019 Macbook 16" Pro 8-core i9 running Catalina 10.15.5, and now only the later model SE2717H/HX works.

The older Dell P2414H recognises when I plug it into the Thunderbolt 3 port via Displayport cable (or even the old VGA using an adapter), but immediately after goes to sleep. Any software/driver fixes, or is this monitor too old now for the newer Macbook?

Thanks

Posted on Jun 29, 2020 3:04 AM

Top-ranking reply

unklebacon Author

Level 1

14 points

Posted on Jul 2, 2020 2:46 PM

Hi Brenden thanks for getting in touch. I spoke to Apple and the assistant looked up the specs of the Apple T3 (USB-C) to T2 adapter and confirmed it is not compatible with the cable. I have since bought a DisplayPort to Thunderbolt 3 single cable and this is now providing the monitor signal correctly. Worth noting. I appreciate your time though.

Regards

Chris

View in context

Older Dell monitor now not working on new Macbook Pro 2019 16"

Similar questions