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iMac Intel 27" EMC 2639 Fan Replacement

Replace the Fan in your iMac Intel 27" EMC 2639.

Replace a broken or noisy fan in your iMac.

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.

Be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply.