Snow Leopard 13" MBP Screen Brightness Bug?

I have this model and I'm definitely having this issue. I didn't stumble across this thread; I noticed this problem and then searched it so it's definitely not in my head.

 

Same here. At the minimum brightness setting in Snow Leopard, my screen feels about as bright as the halfway-point on Leopard. Battery life seems to have taken a hit, too.

 

This is probably something to do with the gamma setting Snow Leopard ships with. In Leopard, the default gamma setting is 1.8 and Snow Leopard changes this to 2.2, the standard for television.

A gamma setting of 2.2 makes images seem more vivid and bright, hence why your display looks different under SL. You can change the gamma back down to 1.8 in System Preferences > Displays > Color > Calibrate.

 

I haven't noticed any issues with mine after upgrading to Snow Leopard, but I have the 9CBD (BD9C) panel in mine. I also noticed that my gamma was still set to 1.8; Snow Leopard didn't change it.

 

How do I tell what model display I have?

 

I agree. It is not Gamma

 

I hope we get a fix, is there a thread on the apple forums?

 

Fixed in 10.6.2

Mac OS X Update 10.6.2 fixes this - tested it myself.

From the release notes:

Graphics fixes provided for:
* addresses functionality with specific display models

 

Wow, thank you so much. I am having this issue too. After trying to set the gamma that many people say, my screen still has a blue tint and it's still brighter than it was before I upgraded to Snow Leopard. Hopefully this update will fix it.

 

Seems to have fixed the bug for me

 

10.6.2 has been a pretty stable release...Lots of little things got fixed

 

i dont know but after update the system, the book is overheating. 70 °C and just surfing the web without flash.