If WebGL is disabled in Firefox it may be because your video drivers need updating. Choose your computer’s video card and view current version. Check to see if your video drivers need updating first, before following steps below. (Note: Clicking on the links below will take you to an external page on the video driver website.)
First, Enable WebGL.
1. Open a Firefox web browser page. Type about:config into the URL bar
2. Search for webgl.disabled
3. Ensure that its value is false (any changes take effect immediately without relaunching Firefox). If the value is true, you can change it to false by clicking it.
Then, inspect the status of WebGL.
1. Go to about:support
2. Scroll down to the Graphics section.
Inspect the WebGL Renderer row in the Graphics table:
- If the status contains a graphics card manufacturer, model and driver (eg: "NVIDIA Corporation -- NVIDIA GeForce GT 650M OpenGL Engine"), then WebGL is enabled.
- If the status is something like "Blocked for your graphics card because of unresolved driver issues" or "Blocked for your graphics driver version", then your graphics card/driver is blacklisted.