help! when i first brought myst exile home i loaded it up and began to play, suddenly it began to freeze up and i decided to uninstall and reinstall to try and correct error. bad move now i cannot get the computer to even recognize that there is a disc in the drive. i have tried thoroughly cleaning the cd more than once. i cannot install a patch or try compatibility mode if i cant even get drive to recognize a cd in it. what is going on? please help!