iMac Intel 21.5" EMC 2428 CPU Fan Replacement - iFixit Repair Guide
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
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How-To: Boost your Mac's speed and prolong its useful life with easy RAM upgrades - 9to5Mac
How (And Why) To Install More RAM In Your iMac
How to: Upgrade your iMac RAM in 2011 with Video Tutorial. 4GB, 8GB, and 16GB Memory Upgrade! | Some Life Blog
21.5” mid-2011 iMac wires? Finally trying to upgrade my RAM and these wires are blocking the slot — did get an iMac with poor build quality? What can I do? : r/mac
Can you upgrade the RAM in the 27-inch iMac? | iMore
How to Upgrade the RAM in Your iMac
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32.0GB OWC Memory Upgrade Kit For 2010-2011 Apple iMac
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