macos - Which OS can you load on an iMac G4? - Super User
Use your iMac as a display with target display mode - Apple Support
The macOS Sierra Compatibility List
Pin on Apple MacOS
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List of Macs Compatible With macOS Sierra - MacRumors
iMac 24" 2.93GHz (Early 2009) | mac of all trades
MacOS High Sierra Compatible Macs List | OSXDaily
iMac-Modell bestimmen - Apple Support (DE)
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iMac "Core 2 Duo" 2.26 20" (Mid-2009) Specs (Mid-2009 (Edu), MC015LL/B*, iMac9,1, A1224, 2316): EveryMac.com
:max_bytes(150000):strip_icc()/DefaultDesktopSierra-577e96125f9b5858751c6d42.jpg "The Minimum Requirements for Running macOS Sierra")
The Minimum Requirements for Running macOS Sierra
Apple won't like this! Mac OS Monterey running on obsolete iMac! - YouTube
How to Install macOS Sonoma on Unsupported Macs, for Security Improvements - The Mac Security Blog
How to Install macOS Catalina on an Unsupported Mac - MacRumors
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
Can 2009 iMac be Upgraded? - OurDeal.co.uk
OS X El Capitan Compatible Macs and System Requirements: EveryMac.com
Someone gave me this unwanted Mac, anyone know if you can upgrade the graphics cards on these ? Keep seeing conflicting information it's a 24" early 2009 imac : r/mac
What to Do if Your Mac Can't Run macOS Sierra - The Mac Security Blog
