New answers tagged opengl
It appears that you have a version of OpenGl, just not one new enough to run the application that you are looking for. To get a slightly newer version of the OpenGl drivers, I would recommend the oibaf drivers from the launchpad website - these implement OpenGl 3.0, and are pretty stable. To install open a terminal window and enter sudo add-apt-repository ...
It seems that instead of using the default drivers that come with Ubuntu (the drivers I recommend using), you are using Intel's open-source drivers. If you have Intel's drivers installed, you probably have a program called "Linux Graphics Installer" or something similar that is an option if you open System Settings and scroll all the way down. Use that ...
What is going wrong exactly: Your video card is unsupported or your OpenGL driver needs to be updated. How to fix it: A) Obtain a high end supported video card - This is the solution I recommend Minimum Required: A DirectX 8.1 compatible video card Recommended: A DirectX 9 compatible video card Numerous sources found googling "Team Fortress 2 system ...
Don't listen to steam. Make sure you have direct rendering by checking glxinfo | grep "direct rendering". If that says No, you have a problem then.
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