If you want to give your beautiful Mac laptop that extra bit of mojo it needs to get back in the fast lane, here are a few tips that just might do the trick.
Clean out start-up items To avoid unnecessary applications automatically setting themselves as start-up items, go to Apple Menu > System Preferences > Accounts > Login Items. To remove them, click on the item and hit the minus button at the bottom of the list. Be careful not to delete any important applications!
For two more tips, read more