Losing some views with Radeon 9600xt

I just installed a Radeon 9600xt, (256) and I'm running FS2002. Generally, it works just fine, and performance is noticeably better than with my old GeForce 2. (well, duh..) However, there is one problem I never had before. If I switch out of FS2002 (like to AFCAD or to add some scenery file or whatever) and then come back, a lot of the time my exterior view out the cockpit is black, and I can't switch views. The cockpit itself is OK. This also happened one time when I was interrupted for a while (my wife or the Red Sox, I forget which) and then came back to the screen saver.I've found that I can press alt-settings-blah-blah-blah and bring up the screen for the graphics hardware, and then reset my resolution from 1024x768x16 to 1024x768x32, or vice versa, and that seems to reset things and I'm back to flying. This is a nuisance, though, particularly if I'm doing an AFCAD and I need to toggle back and forth a lot.Any ideas? Has anyone else seen this?