It sounds like a settings issue. If your flash works, it might just be not bright enough or to much delay. Check the manual [http://www.kenrockwell.com/nikon/d90/users-guide/controls-front.htm|here about] your front controls and it will assist you with the flash.
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It sounds like a settings issue. If your flash works, it might just be not bright enough or to much delay. Check the manual [http://www.kenrockwell.com/nikon/d90/users-guide/controls-front.htm|here about] your front controls and it will assist you with the flash. I would also try to turn autofocus off and try it as a manual camera. It is possible that all the automatic functions cause more delay than a manual camera.
It sounds like a settings issue. If your flash works, it might just be not bright enough or to much delay. Check the manual [http://www.kenrockwell.com/nikon/d90/users-guide/controls-front.htm|here about] your front controls and it will assist you with the flash.