This is my first message in the forum.. I really hope i can find an answer for my question here

I am a student and i am taking principles of 3D animation this semester. I have tried to download Maya 7 on my laptop.. Everything works fine except for the "view tumble" which is Alt+left mouse!!! I don't know why this is happening..
I then tried downloading it on a friend's computer using the same prefs and Maya was working just fine!!!
I really need to get Maya 7 working on my laptop as soon as possible.. so if anyone had this problem before and knew the answer: can you pleaaaaaaaase help me??

Thank you very much!!
Triple A
Sydney