Introduction
Use this guide to replace the AirPort/Bluetooth card.
What you need
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Tool used on this step:iMac Intel 21.5" Cardboard Service Wedge$4.99
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Before beginning any work on your iMac: Unplug the computer and press and hold the power button for ten seconds to discharge the power supply's capacitors.
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Tool used on this step:Plastic Cards$2.99
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Starting from the top right corner of the iMac, wedge a plastic card between the display and frame.
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Almost done!
To reassemble your device, follow these instructions in reverse.
Conclusion
To reassemble your device, follow these instructions in reverse.