hi ,i have dell inspiron 1545 laptop,,it has window 7 installed,,i study online and listen to a lot of dvd lectures,,every time i open the dvd drive a blue screen with several technical terms(which r beyond ma comprehension) appear and it shuts down da system,,no matter how many times i open da dvd drive dis thing keeps happnin,,dont know wat to do,,nd how did i get it,,i started havin dis problem a month ago,,,plz need a solution,,,m not good at computer terminologies nd stuff so plz 4give me if u find dis information insufficient.