7 Replies Latest reply: May 6, 2012 8:12 AM by Csound1
tman001 Level 1 Level 1 (0 points)

My MacBook Pro has been running quite slow ever since upgrading from Snow Leopard to OS X Lion 10.7.3. Applications were already very slow to quit in Snow Leopard but are incredibly slow in Lion. I often have to force quit. Any clues?