Apple imac 17in 1ghz 服务手册

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页码 155
8 -   iMac  (17-inch Flat Panel, 1GHz)  Upgrades
 AirPort Extreme Card
Opening the Computer
Warning: Always shut down your computer before opening it to avoid damaging its 
internal components or causing injury. Shut down the computer and wait five 
minutes before continuing. 
1.
Unplug all cables from the computer except the power cord.
2.
Lay the computer down on a soft cloth.