Upgrade your RAM for an instant increase in speed.
EMC 2133 models use PC2-5300 RAM and EMC 2210 models use PC2-6400 RAM. The maximum RAM for both models is 6 GB.
Loosen the single Phillips screw in the center of the access door.
Remove the access door from your iMac.
Use the tip of a spudger to pull the black plastic RAM tabs out of the memory bay.
Pull the black plastic RAM tab away from your iMac to eject the RAM chip.
Grab the RAM chip by its edges and pull it straight out of its slot.