USB C to HDMI dim projection

I’ve connected the Nebula Capsule to laptop via USB C to HDMI to watch movies. The projection is quite dim making the movie muddy looking and unpleasant to watch. I’ve adjusted the brightness on the Capsule by changing the setting to “Standard Mode” for max brightness but it remains dim.

What can be done?

Have you changed the brightness on your laptop

Yup I did that