Introduction
Use this guide to upgrade the RAM in your iMac.
What you need
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Unplug your iMac's AC cord along with any peripheral devices.
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Lay your iMac face-down on a soft, clean surface as shown.
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Loosen the three Phillips screws securing the access door to the bottom edge of your iMac.
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Remove the access door.
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Gently slide the black plastic RAM pull tab out from the RAM slot.
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Pull the black plastic tab away from the bottom edge of the iMac to eject the module(s) on that side of the RAM bay.
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Repeat the process in the previous steps to remove the RAM module(s) from the other side of the RAM bay.
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Be sure the small notch cut into each RAM module (shown in the first picture) mates with the protrusion in each RAM slot (shown in the second picture).
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