Why my MacBook Pro (mid 2009) run slow?
I need urgent help!, my macbook pro (mid 2009), just start to slow down, but severaly, i can`t even start an app. I even erase the HD and reinstall snow leopard, but its still the same and i try to diagnose with pressing D at power on with Installation disc but , dont enter diagnostic mode or something, i hope can someone help me :( thankyou.