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Alhanalem 2月24日下午9:33
Video card supports DX11, game reports hardware directX level of 8.0 (software 9.0)
Radeon HD 7870. Getting this issue with Portal. Anyone have any idea how to fix this so it uses 9.0c in like the card supports? Because of this certain graphics settings are disabled.
最后由 Alhanalem 编辑于; 2月24日下午11:26
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nuh1 2月25日上午1:04 
Add "-dxlevel 90" to launch options to force it into Directx 9. Then after you launched the game once with it, take it out or else your in-game video options will keep defaulting and never save.
TopBadge☢ 2月25日上午4:10 
When ever I force -dxlevel 90 it just crashes I'm using the same card as him. I think the steam pipe update broke everything because everyone in the portal 2 hub is having the same issue.
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发帖日期: 2月24日下午9:33
帖子数: 2