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There are no troubleshooting guides for the iMac Intel 20" EMC 2105 and 2118 at this time.
You can cost-effectively upgrade a number of components in the iMac Intel 20" EMC 2105 and 2118.
- Memory: The iMac Intel 20" EMC 2105 and 2118 shipped with 512 MB (2x256 MB) or 1 GB (2x512 MB) of RAM. If your iMac is still running with only the stock RAM, upgrading will provide a dramatic performance boost at minimal cost. Upgrading to the maximum (2 GB (2x1 GB) for EMC 2118 and 3 GB (1x1 GB, 1x2 GB) for EMC 2210) can be done very easily.
- Hard Drive: 160 and 250 GB hard drives came standard with the iMac Intel 20" EMC 2105 and 2118. You can upgrade the drive up to 2 TB.
Identification and Background
You can verify that you have a iMac Intel 20" EMC 2105 and 2118 by checking the processor information through "About This Mac" in the Apple menu.
Use the iMac identification system to help you identify your machine. iMacs tend to look very similar, and it's important to know which machine you have before ordering any replacement parts.
The first Intel based iMacs were released early 2006 and were the first Macintosh computers powered by an Intel processor, the Core Duo. Although they use the same case as the prior powerpc G5 iMac, the Core Duo iMacs were two to three times faster than powerpc iMacs.
Late 2006 brought the Intel Core 2 Duo processor and draft-n wireless capabilities to the 20" Intel iMac. The plastic case iMacs of this generation are the most difficult iMacs to service due to their front bezel design.