Apple MacBook Pro (15-inch, Mid 2010) - Manual (Page 71)

71 Chapter 5 Last, but Not Least
Storing your MacBook Pro If you are going to store your MacBook Pro for an extended
period of time, keep it in a cool location (ideally, 71° F or 22° C) and discharge the
battery to approximately 50 percent. To maintain the capacity of the battery, recharge
the battery to 50 percent every six months or so.
Cleaning your MacBook Pro When cleaning the outside of your MacBook Pro and its
components, first shut down your MacBook Pro and unplug the power adapter. Then
use a damp, soft, lint-free cloth to clean the computer’s exterior. Avoid getting moisture
in any openings. Do not spray liquid directly on the computer. Do not use aerosol
sprays, solvents, or abrasives that might damage the finish.
Cleaning your MacBook Pro screen To clean your MacBook Pro screen, first shut down
your MacBook Pro and unplug the power adapter. Then dampen the included cleaning
cloth with just water and wipe the screen. Do not spray liquid directly on the screen.