Dark screen problem

[sorcierombre]

Hello!
When i open caesar IV demo i have a darkscreen i can only see the mouse and i have the music.
How can I fix this
thx

[sorcierombre]

:(
is there really no way to play with bad graphism?
are you explaining me that if i buy a video card i could play caesar?
Sorry if you have already said it but i'm not english so i'm not sure that if i have well understood what you explain