Mac - Steam version starts - sound but no window

[Thebitlocker]

Hi all,

i have the newest version of Pandora (beta enabled) on steam.

After updating into the 1.6x branch i tried it today again to play on my mac.

I start it from Steam.
i see a "bin-icon" with "Pandora.bin" as running application in my app-bar, next to the steam icon.
I can hear the game sound, but nothing happens (still see steam and my desktop).

I can with to fullscreen in the menu-bar of "pandora.bin" and then it is a black screen.
I can switch between the two screens (normal desktop and "black screen pandora.bin).
Switch back to "window-mode" doesn't help, same as before.

Does anybody have a fix for it?

Mac (end 2013) 15"
OSX 10.10.3 (Yos) with newest system updates
16GB ram

Pandora worked a few weeks (maybe 2 month) ago without issues, it was the 1.5.x branch.

Thank you very much
best regards
TheBitLocker

[Thebitlocker]

reinstall on steam (without beta patches) did not help!

No one with an advice?

Is there a chance to download somewhere a 1.5x version (not via steam). There was a "normal" download version in the past (which i deleted localy).


Best regards
Mario

[Thebitlocker]

solution found: deactive "autoswitch of graphic-card" under energy-settings