On the main Minecraft screen, at the Full-screen mode option select On and then off. Sometimes when you click done, nothing will happen and you will have to close and Minecraft and reopen it for it to work.
Environment
Microsoft Windows 7 64-bit, Java SE7 U9.
Linked issues
duplicates 1
Comments 3
Duplicate of MC-229.
Works fine for me in 1.4.6.