Help with Mini display port to HDMI on mbp

[sverican]

Hi everyone,
I am new here, I have been watching the forum but have not needed to post until now. I have a june 2.8 MBP running snow leopard and I am having problems with Mini DP to HDMI. I have a convertor to go direct to hdmi from mini dp but when I use it to watch movies the color is really dark. It is almost unwatchable.

It is not a hardware thing because when I boot into windows 7 I can watch the same file with the same hardware with no issue with darkness.

I was wondering if anyone has come across this issue in snow leopard. I have searched mroogle as well as good and could not find anything. Thanks in advance.

 

[Nuck81]

I haven't had that problem.

When I watch Movies I just select it to Mirror and it's fine

 

[Ca$hflow]

Not sure but this link might help.

https://forums.macrumors.com/threads/792106/

 

[sverican]

I have tried all mirror and the picture was still dark. The guide is great but doesn't help me. Everything is connected right and like I said it all works fine in windows.
I did try to calibrate the projector I am hooking up. I have used display preferences as well as the options on the projector itself. It is really strange.