In the General tab click on “Set launch options” and type “-forceuid3d9”. Go to your Steam library > right-click on the game > properties. The first fix for the Black Mesa crash at startup issue is simple. Here are a few fixes that’ll help you fix the game not starting and crash at startup issues. Players are reporting that Black Messa just crashes at launch. Start the game and the controller should be working fine with Black Messa. If you are using Dualshock 4 then check “PlayStation configuration support” and if you are using Xbox One or Xbox 360 controller then select “Xbox Configuration Support”. The steam big picture will open and you’ll have a few options to choose from. Open Steam and at the top-left corner click on Steam > Settings > Controller > click on “General Control Settings”.
However, there is a way that can enable controller support for the game. Controller Supportīlack Mesa, at the time of writing, doesn’t have official controller support. If you are seeing the UI but can’t operate it then follow the steps above but this time type “-forceuid3d9” in the launch options.