Recently uprgraded my graphics card from GeForce 9800GT to GTX460 and morroblivion is no longer working. It will load the game (and the save game) but all I get is a grey screen. Help please.
Will I have to reinstall it all because I don't want to lose the saved gameand start over as I have made a lot of progress in multiple quests.

Does Oblivion itself still
Does Oblivion itself still work alright? (try a newgame just to test).