Apple imac 20 inch early 2009 User Manual
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Page 101
iMac (20-inch, Early/Mid 2009) Take Apart — Memory 101 2010-11-24 First Steps Remove: • Access Door Tools • ESD wrist strap • Clean, lint-free cloth • Black stick Memory
Page 102
iMac (20-inch, Early/Mid 2009) Take Apart — Memory 102 2010-11-24 Removal 1 Untuck tab in memory compartment (a black stick can help) and pull it to eject installed memory module. Reassembly 1 Orient notch on memory module with notch in memory slot. 2 Press memory module fully into slot until you hear a click. 3 Fold black plastic tab over each memory module. 4 Replace access door and tighten captive screw.
Page 103
iMac (20-inch, Early/Mid 2009) Take Apart — Glass Panel 103 2010-11-24 First Steps • Shut down computer. • Unplug all cables and the power cord. • Put on ESD strap. Caution: The glass panel is not tempered and will break into sharp pieces if mishandled. A scratched or broken glass panel is not covered by warranty. Important: This procedure requires special tools, which are offered individually or as part of a cleaning kit. See General Take Apart section for more information. Tools •...
Page 104
iMac (20-inch, Early/Mid 2009) Take Apart — Glass Panel 104 2010-11-24 Removal Glass panel is held in place by magnets in front bezel. 1 Lay computer on its back and press clean suction cups in opposite corners on clean glass panel. Apple strongly recommends wearing clean, lint-free gloves whenever handling the glass panel, to reduce cleaning required on reassembly. 2 Lift panel straight up and off.
Page 105
iMac (20-inch, Early/Mid 2009) Take Apart — Glass Panel 105 2010-11-24 3 Remove suction cups and slide glass into protective microfoam bag (922-8259). Reassembly 1 Remove protective covering from silicone roller and sticky sheet. 2 Clean silicone roller by rolling it back and forth a few times on sticky sheet. If sticky sheet looks dirty, use a new one. If roller is no longer tacky, wash it in warm soapy water. If tackiness does not return, replace silicone roller.
Page 106
iMac (20-inch, Early/Mid 2009) Take Apart — Glass Panel 106 2010-11-24 3 Set unit in upright position to minimize settling of dust. 4 Roll silicone roller over LCD panel to remove any particles. 5 Remove glass panel from microfoam bag. Clean INSIDE of glass panel with the silicone roller to remove dust. Note: If fingerprints or oils are on inside of glass, clean first with a microfiber cloth made damp with water.
Page 107
iMac (20-inch, Early/Mid 2009) Take Apart — Glass Panel 107 2010-11-24 6 Note alignment pins on inside of glass panel. Caution: Pins can break off if glass panel is removed or installed at an improper angle. 7 Wearing clean gloves, place glass directly onto unit. Magnets will catch it and hold it in place. Make sure glass is flush with rear housing after it is reinstalled.
Page 108
iMac (20-inch, Early/Mid 2009) Take Apart — Glass Panel 108 2010-11-24 8 Clean outside of glass panel with a clean microfiber cloth. Wipe glass until there is no longer any residue or haze. 9 Inspect glass for any remaining dust, fingerprints, or a hazy residue. If there are contaminants trapped between LCD panel and glass panel, repeat cleaning procedure before returning unit to user.
Page 109
iMac (20-inch, Early/Mid 2009) Take Apart — Front Bezel 109 2010-11-24 First Steps Remove: • Access Door • Glass Panel Tools • ESD wrist strap • Torx T8 screwdriver Front Bezel
Page 110
iMac (20-inch, Early/Mid 2009) Take Apart — Front Bezel 110 2010-11-24 Removal 1 Lay computer down with rear cover and stand on a soft, protective surface. 2 Remove T8 screws: (8) 922-8206, 13mm (4) 922-8207, 25mm Reassembly Note: The 4 longer screws attach along bottom of bezel. 3 Slowly lift bezel from top, without straining microphone cable.