Portal 2 > General Discussions > Topic Details
Tactical Airburst Baby Apr 27, 2013 @ 2:03pm
Portal 2 sudden launching issues
I have recently bought portal 2 during the steam sale and, after playing until after the old sector of Aperture, I took a week long break from the game. Now I come back, and every time I try to launch the game my screen turns black for a half second or so, and then it goes back to the desktop with the steam window having moved to the bottom right hand corner of the screen. No error messages ever appear, and I have tried verifying the cache, reinstalling the game, restarting my computer and updating my drivers, which, according to Microsoft, are up to date. Does any one have any experience with these sort of problems?

edit: I just tried L4D2 as well and it has the same problem. I also noticed that a button leading to my laptop's default graphics card's settings window shows up when I try to launch Is it possible my computer is suddenly trying to use the wrong card ( the default Lenovo card instead of the GTX 660m) when I launch? What could have caused that sudden change?
Last edited by Tactical Airburst Baby; Apr 27, 2013 @ 2:06pm
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Texansnake Apr 29, 2013 @ 12:17pm 
I'm having a very similar issues as well. Except when I try to launch the screen flickers then gives me a D3D error....
battle2525 Apr 29, 2013 @ 1:14pm 
Up to troubleshoot once more?
Right click the game-> properties-> under general tab, click set launch options
and type "-autoconfig" (without the quotations).

What the command does is that it restores video and performance settings to your current hardware.
Texansnake Apr 29, 2013 @ 3:37pm 
no dice for me...
Texansnake Apr 29, 2013 @ 4:33pm 
Ok, I may have a solution. It worked for me. but its gonna depend on you resolution. Just replace the X's with whatever you have yours set to. -dxlevel 90 -w XXXX -h XXX this worked for me. Good Luck
Tactical Airburst Baby Apr 29, 2013 @ 8:01pm 
Awesome thanks guys.
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Portal 2 > General Discussions > Topic Details
Date Posted: Apr 27, 2013 @ 2:03pm
Posts: 5