Default ScreenMirror fix for custom ROMs (Tab3 8.0 311)

Hello,i have look a lots of here in xda,but i can not find a help for my problem.
I have the Rom from Samsung on my Tab 3 310.Then i have make root on it with CF-Auto-Root (everything is ok),but my screen mirror do not work after that.I have found some other XDA threads that have fix this

http://forum.xda-developers.com/show...421642&page=13

http://forum.xda-developers.com/show...php?p=50597640

http://forum.xda-developers.com/show....php?t=2621550

thats for Galaxy S4...

but no one of this fix work with the stock rom from Tab3 8.0 310.

And the TriangleAway fix don`t work on the 310(it is not supportet) .hmm

I have flash other ROMs too,but no one of that have working with ScreenMirror.

Can somebody help me with this?

Thanks Paul G. (the Thread name is wrong....i have a 310,sorry)