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Compatible with recommended Metal-capable graphics processors, including the MSI Gaming Radeon RX 560 and the Sapphire Radeon PULSE RX 580. Mountain Lion OS X 10.8.x. Mavericks OS X 10.9.x. Yosemite OS X 10.10.x. El Capitan OS X 10.11.x. Sierra macOS 10.12.x. High Sierra macOS 10.13.x. Mojave macOS 10.14.x. Many Mac hard drives break down and stop working. If you are upgrading or replacing a Mac hard drive and you don't have an operating system, this video will.
There was an Early 2009 iMac and a Late 2009 iMac. See Identify your iMac - Apple Support. The Early 2009 can be upgraded to 10.11 El Capitan. See How to download OS X El Capitan - Apple Support. The Late 2009 can be upgraded to the current macOS 10.13 High Sierra. See macOS - How to Upgrade - Apple. Use About This Mac to check the version of Mac operating system installed, and find out whether it's the latest (newest, most recent) version. Which macOS version is installed? From the Apple menu in the corner of your screen, choose About This Mac. Oct 20, 2009 New Mac mini and iMac benchmarked, FireWire 400-to-800 solutions, dual-band AirPort Extreme, and more, Mac News Review, 2009.03.06. Also new iMac and Mac mini dissected, OS X share still above 10%, fastest SATA boot drives for the Mac Pro, iMac keyboard loses numeric keypad, and more.
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