Portal 2 > - Discussions générales > Détails du sujet
ZIGMEGA 28 nov 2012 à 2h07
Portal 2 Not Launching - Mac OSX 10.8.2 (ML)
Hi, I recently purchased Portal 2 in the sale and it will not launch and play.

I have tried checking game cache integrity, backing up and restoring game, deleting and re-downloading / installing game, running OSX in 32bit mode, turning off in game community and setting launch options to "windowed", and yes turned it off and on again multiple times!

No matter what I do I get one of the following results:

1. The Portal 2 "Preparing to launch" screen just hangs and never loads.

2. The game starts to load, my chat status changes to "In game" for a second, the OSX menus change from steam's to "Portal 2 OSX" and then the app crashes.

I have searched hi and low for a resolution and have found nothing. This is not a good look Valve! Can anyone please help?

I am running a 2009 Mac Pro, 2,66GHz Quad Core, 6GB Ram, ATI Radeon HD5870 1GB, Mac OSX 10.8.2 Mountain Lion.

Thanks in advance.
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swanknode 4 jan 2013 à 0h55 
I was having the same problem with my Mac running 10.8.x To fix it, I uninstalled Steam, deleted all data and reinstalled. I rebooted my Mac and reinstalled Portal 2. It's working now. The only thing that I can figure is that when I upgraded to Mountain Lion (10.8) back in July it messed up my Portal install. But, it's working again for me.
ZIGMEGA 19 jan 2013 à 1h49 
Finally some sense! Thank you.

I will give all this a go, unsure if it will actually help but at least I now know it runs on ML.

Cheers
andyzeke 19 jan 2013 à 20h08 
They dont work for all macs they work on lion
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