I want to watch the movie but the region problem wont let me…?

When I tried it on the computer it said that the computer is set to region 2 but the DVD is set to region 1. So I had to change it. When I pressed ok a dialog box appeared sayin that I have to change the geographic area and then change the region but when I tried to change it, it wasn’t allowed WAT THE HECK!!!!…I relly wanna watch it but the same thing happened to the TV. Help….