1 In Progress Guide
1 Archived Guide
These are some common tools used to work on this device. You might not need every tool for every procedure.
There are no troubleshooting guides for the iMac Intel 21.5" at this time.
Check our store to find the iMac Intel 21.5" parts you need.
You can cost-effectively upgrade a number of components in the iMac Intel 21.5".
- Memory: 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 of 16 GB (Four 4 GB sticks) provides unmatched performance.
- Hard Drive: 500 GB or 1 TB hard drives came standard with the iMac Intel 21.5". You can upgrade the drive up to 2 TB.
Identification and Background ¶
You can verify that you have a iMac Intel 21.5" EMC 2308 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 iMac Intel 21.5" EMC 2308 has multiple external and internal differences from 20" iMacs. Externally, the machine features edge-to-edge glass and an aluminum rear bezel. Internally, an LED display, more powerful video processing, and faster processors round out the impressive upgrades.