How to Prepare Your Mac for macOS High Sierra - The Mac Security Blog
Installing MacOS Monterey on Unsupported Macs | OSXDaily
Snow Leopard Mac OS X cannot start up fro… - Apple Community
There's hope that older Macs will be able to run macOS Ventura | AppleInsider
iMac Late 2009 - Bluetooth and USB keyboard and mouse do not work on Big Sur installation screen · Issue #43 · barrykn/big-sur-micropatcher · GitHub
Mac OS X 10.6 | Apple Wiki | Fandom
iMac 2009, iMac 2010 and iMac 2011 - Apple Broadcom BCM94360CD - 802.11 a/b/g/n/ac with Bluetooth 4.0 Upgrade Kit | www.osxwifi.com | Native Support for Apple Broadcom BCM94360CD and BCM943602CDP for PC
Mac OS X Leopard - Wikipedia
Apple Obsoletes Select Early 2008 to Late 2009 Macs - MacRumors
How to Install macOS Ventura or Monterey on Unsupported Macs, for Security Improvements - The Mac Security Blog
How to install macOS or OS X on a new hard drive for your Mac
Retro Review: 2009 Mac Pro in 2022 | iMore
macos - iMac 27'' late 2009 with GPU problems gets fixed by reinstalling Mac OS, what can be really happening? - Ask Different
How to Install MacOS Catalina on Unsupported Macs | OSXDaily
macOS High Sierra On A 2009 Imac Core 2 Duo? A Retro Adventure :o) - YouTube
Identify your iMac model - Apple Support
macOS Catalina 2009 iMac by MacThePlaneh on DeviantArt
Mac OS X 10.6 | Apple Wiki | Fandom
Installing MacOS Sierra on an unsupported Mac (2009 MacBook Pro 5,4) - YouTube
Mac OS X 10.6 Snow Leopard - Retail - 2Z691-6428-A : Apple Computer, Inc. : Free Download, Borrow, and Streaming : Internet Archive
IMac 21.5-inch Late 2009 - Mac OS High Sierra 10.13.6, Intel Core 2 Duo, 4 GB DDR3 RAM, 500 GB HDD, Nvidia GeForce 9400 256 MB VRAM
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
YouTuber creates 'world's first' Apple Silicon iMac using M1 Mac mini parts [Video] - 9to5Mac
macOS compatibility: What OS can my Mac run? | Macworld