The Thunderbolt 3 to Thunderbolt 2 adapter is only for Thunderbolt devices. It will not pass DisplayPort signals.
You need a USB-C to DisplayPort cable.
- Answered by Joseph V from Fort Langley
- 17 Mar. 2017
- Flag as inappropriate Answer (Will this work with a monitor (e.g. Dell P2715Q 4K Monitor) that has a Mini Display Port?)