I have a 1.1 Ghz Athlon processor with 256 Kb RAM and a 64 Mb Nvidia Geforce 4 MMX card. I had the black terrain effect first and thought that my PC is too weak for the game.
For last resort I updated my driver (with the newest official Forceware), and now the problem is solved!
For last resort I updated my driver (with the newest official Forceware), and now the problem is solved!