![Mac OS CATALINA on a 2011 IMAC. I kept hearing it won't work because of the video card and would make my Mac unable to use but it is working for me. Mac OS CATALINA on a 2011 IMAC. I kept hearing it won't work because of the video card and would make my Mac unable to use but it is working for me.](https://i.redd.it/659ugq09ypm41.jpg)
Mac OS CATALINA on a 2011 IMAC. I kept hearing it won't work because of the video card and would make my Mac unable to use but it is working for me.
![Big Sur on iMac 27", Mid 2011, flashed 4GB NVIDIA Quadro K4100M by Nikey22, having issues with screen brightness, any ideas? Brightness control was working with Catalina Patcher, after installing Big Sur Big Sur on iMac 27", Mid 2011, flashed 4GB NVIDIA Quadro K4100M by Nikey22, having issues with screen brightness, any ideas? Brightness control was working with Catalina Patcher, after installing Big Sur](https://preview.redd.it/xhgttch88b161.png?auto=webp&s=a682d0ac5bb5ea2aee0b30ce7aa79e946dc59be0)
Big Sur on iMac 27", Mid 2011, flashed 4GB NVIDIA Quadro K4100M by Nikey22, having issues with screen brightness, any ideas? Brightness control was working with Catalina Patcher, after installing Big Sur
Apple iMac 21.5 Zoll Mid 2011 12GB Ram/240 GB SSD / Catalina in Nordrhein-Westfalen - Siegen | eBay Kleinanzeigen ist jetzt Kleinanzeigen
![Fix for "this version of macOS [10.15.7 or 10.14.6] cannot be installed on this computer." - YouTube Fix for "this version of macOS [10.15.7 or 10.14.6] cannot be installed on this computer." - YouTube](https://i.ytimg.com/vi/I9RNZtCKQ7o/maxresdefault.jpg)