How to fix Console Crashing/Invisible Fire Step 1. Locate Garry's Mod Step 2. Right Click Garry's Mod. Step 3. Click the 'Properties' option. Step 4. Click the "Set Launch Options..." button. Step 5. Type "-dxlevel 90" to set the directX level to 9.0 (81 and 80 will set it to 8.1 and 8.0) Also "-windowed" is optional, but it will launch Garry's Mod in windowed mod.
