C32F391 Display and Mac Mini

Just hooked up a new Samsung C32F391 curved display to a Mac mini using HDMI and the mini thinks the display is a TV. No resolution settings. My old samsung 27" display did not have this problem using the same HDMI hookup.

Model Name: Mac mini

Model Identifier: Macmini7,1

Processor Name: Intel Core i5

Processor Speed: 2.6 GHz

Number of Processors: 1

Total Number of Cores: 2

L2 Cache (per Core): 256 KB

L3 Cache: 3 MB

Memory: 8 GB

Boot ROM Version: MM71.0220.B07

SMC Version (system): 2.24f32

Serial Number (system): C0*******1HW

Hardware UUID: ***********

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