Important Handling Information
Operating environment Operating your MacBook outside these ranges may affect
performance:
 Operating temperature: 50° to 95° F (10° to 35° C)
 Storage temperature: -4° to 113° F (-20° to 45° C)
 Relative humidity: 5% to 90% (noncondensing)
 Operating altitude: 0 to 10,000 feet (0 to 3048 meters)
Turning on your MacBook Never turn on your MacBook unless all of its internal and
external parts are in place. Operating the computer when parts are missing may be
dangerous and may damage your computer.
WARNING:
Making adjustments or performing procedures other than those specified
in your equipment’s manual may result in hazardous radiation exposure.
NOTICE:
Failure to follow these handling instructions could result in damage to your
MacBook or other property.
72
Chapter 5
Last, but Not Least
Carrying your MacBook If you carry your MacBook in a bag or briefcase, make sure
that there are no loose items (such as paper clips or coins) that could accidentally get
inside the computer through vent openings or the optical drive slot or get stuck inside
a port. Also, keep magnetically sensitive items away from the MagSafe power port.
Using connectors and ports Never force a connector into a port. When connecting a
device, make sure the port is free of debris, that the connector matches the port, and
that you have positioned the connector correctly in relation to the port.
Using the optical drive The SuperDrive in your MacBook supports standard 12 cm
(4.7 inch) discs. Irregularly shaped discs or discs smaller than 12 cm (4.7 inches) are not
supported and can become lodged in the drive.
Handling glass parts Your MacBook contains glass components, including the display
and trackpad. If they are damaged, don't use your MacBook until it has been repaired
by an Apple Authorized Service Provider.
Chapter 5
Last, but Not Least
73
Storing your MacBook If you are going to store your MacBook 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 When cleaning the outside of your MacBook and its
components, first shut down your MacBook 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 the MacBook screen To clean the MacBook screen, first shut down your
MacBook and unplug the power adapter. Then dampen a clean cloth with just water
and wipe the screen. Do not spray liquid directly on the screen.
74
Chapter 5
Last, but Not Least