Explore the world of Mac. Check out MacBook Pro, iMac Pro, MacBook Air, iMac, and more. Visit the Apple site to learn, buy, and get support. This is a Wiki post with information collected from the entire thread. Before you post, read this first. The difference between Mid 2011 21.5' and 27' concerning CPU upgradability is mainly caused by the available power from the power supply. The 21.5' has 210W power supply, the 27' has.
Back up your Mac
Powershell mac os x. And your memories. A few simple steps can save you from losing your favorite photos and files.
Learn how to back up your MacMac service and repair
Learn about AppleCare+ and the Apple limited warranty coverage, start a service request for your Mac, and find out how to prepare your Mac for service.
Learn more about repairsGet AppleCare+ for Mac
Imac (20-inch Early 2009) Latest Os
With AppleCare+, you’re covered. Get accidental damage coverage and 24/7 priority access to Apple experts.
Have a question?
Ask everyone. Our Apple Support Community can help you find answers. Free apple tv with macbook purchase 2020.
Ask the Apple Support CommunityImac 24 Early 2009 Latest Os
Tell us how we can help
Answer a few questions and we'll help you find a solution.
Get supportImac Early 2009 Latest Os
Apple Service Programs