Portal > General Discussions > Topic Details
Peace Walker Jul 8, 2013 @ 3:35am
DX8 Default Problem
VALVe were fixed this problem for HL2, but not in Portal. Fix this please.
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xslouis Jul 8, 2013 @ 2:49pm 
If you want a temporary fix for the time being, enter "mat_dxlevel 95" into the console when you start the game and after you apply advanced video settings.
Thotaz Jul 9, 2013 @ 1:59pm 
It still doesn't work for me in HL2, but anyway a better way to apply the fix that "xslouis" mentioned is to put a "+" in front of it and put it in the launch options for the game (right click game, choose properties, set launch options). So it should look like this: "+mat_dxlevel 95" without the "".
[Companion Cube] Jul 10, 2013 @ 10:18am 
What OS are you running and what graphics card or chip?
Peace Walker Jul 10, 2013 @ 10:43pm 
I am running Windows 8, card - Nvidia Geforce 360m.
xslouis Jul 11, 2013 @ 7:50am 
Just type into the startup options (Properties -> set launch options) and put +mat_dxlevel 95
bahgwan_bill Jul 11, 2013 @ 2:45pm 
Portal has stopped working for me after behaving fine for years. I get a stutter in the audio and then the screen goes black and sometimes causes my video card to reset. Is this the problem being referred to here? I tried the +mat_dxlevel 95 suggestion above with no luck. Did a clean install of both the Steam client and Portal, again with no luck.

I am using Windows 7 64 bit (SP1 plus all security fixes), NVIDIA Geforce GTX 580 card with the latest drivers (320.49 - backed out to 310.xx version with no luck), 12 Gb ram, Intel i7 CPU, etc. etc. As I said, this game has run fine forever on this machine.

Anything else I can do or am I SOL?
xslouis Jul 11, 2013 @ 3:46pm 
Originally posted by bahgwan_bill:
Portal has stopped working for me after behaving fine for years. I get a stutter in the audio and then the screen goes black and sometimes causes my video card to reset. Is this the problem being referred to here? I tried the +mat_dxlevel 95 suggestion above with no luck. Did a clean install of both the Steam client and Portal, again with no luck.

I am using Windows 7 64 bit (SP1 plus all security fixes), NVIDIA Geforce GTX 580 card with the latest drivers (320.49 - backed out to 310.xx version with no luck), 12 Gb ram, Intel i7 CPU, etc. etc. As I said, this game has run fine forever on this machine.

Anything else I can do or am I SOL?

I'd have to look into your problem. It's most likely the use of steampipe.
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Date Posted: Jul 8, 2013 @ 3:35am
Posts: 7