Quote:
Originally Posted by analogoldguy
...my Catalyst 7.7...
...life is wonderful if I boot up Mafia 1 first...
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Did you install DirectX from Silent Hunter disc? Otherwise navigate to its folder and run the setup. I suspect your windows version (??) is lacking a dll...
And do go get a newer Catalyst!

Newest is 11.1a, January 2011. Your's from July 2007...
11.1a is good - but for some reason I'm getting flickering hydrophone screen unless running AAx16 or disabling one GPU
This issue started for me in 10.10, so running 10.9 is your safe go,
if you should experience same flickering.
But start out with 11.1a and do yourself a favour and create a restore point before updating...
Oh! and what Steve says!