AF08 macrumors member Original poster May 27, 2012 #1 17" MBP runs flawlessly when on Snow Leopard, however when I tried to upgrade to Lion, the black light on the screen doesn't turn on. It's very dim. I installed SL again, and everything works. Im 😕 Any suggestions?
17" MBP runs flawlessly when on Snow Leopard, however when I tried to upgrade to Lion, the black light on the screen doesn't turn on. It's very dim. I installed SL again, and everything works. Im 😕 Any suggestions?