Specifications

71Chapter 5 Last, but Not Least
Laser Information for Optical Disc Drives
WARNING: Makingadjustmentsorperformingproceduresotherthanthosespecied
inyourequipment’smanualmayresultinhazardousradiationexposure.
Theopticaldiscdriveinyourcomputercontainsalaserthatissafeinnormalusebut
thatmaybeharmfultoyoureyesifdisassembled.Foryoursafety,havethisequipment
servicedonlybyanAppleAuthorizedServiceProvider.
Important Handling Information
NOTICE: Failuretofollowthesehandlinginstructionscouldresultindamagetoyour
MacBookorotherproperty.
Operating environmentOperatingyourMacBookoutsidetheserangesmayaect
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.