The level textures are not working for me. It loads some junk from other programs. Moving objects have normal textures. I have a late 2011 macbook pro with hd 3

The level textures are not working for me. It loads some junk from other programs. Moving objects have normal textures. I have a late 2011 macbook pro with hd 3000, os is 10.9.4. Not sure if it is worth fixing for an older model like this.