When I start the iMac it powers on.
But I get no screen on the iMac.
When I connect my Thunderbolt Display
Into the iMac I get a screen but only on the
The screen of the iMac is black.
It also doesn't recognize the iMac screen
in the settings.
hmmm.but in the new imacs there are some which provide this card so there must be a firmware..where can i get this...?
Just put a GTX 675MX in my Imac 2011.
When i powered up the Display doesn't show anything.
When the Thunderbolt Display is Connected the Desktop
of the Thunderbolt is shown up.
So what is wrong here?