![macOS 12 Monterey has made some older Apple iMac, MacBook Air and MacBook Pro machines unusable - NotebookCheck.net News macOS 12 Monterey has made some older Apple iMac, MacBook Air and MacBook Pro machines unusable - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/photo_1517336714731_489689fd1ca8.jpeg)
macOS 12 Monterey has made some older Apple iMac, MacBook Air and MacBook Pro machines unusable - NotebookCheck.net News
![Apple MacBook Pro (Retina, 15-inch, Mid 2015) Silver, 16GB RAM, 256GB SSD MacOS Monterey (12) Used (Grade B) - One Bite Technology - St. Albert Apple MacBook Pro (Retina, 15-inch, Mid 2015) Silver, 16GB RAM, 256GB SSD MacOS Monterey (12) Used (Grade B) - One Bite Technology - St. Albert](https://onebitetechnology.ca/wp-content/uploads/2022/04/164852378536225534-105.jpg)
Apple MacBook Pro (Retina, 15-inch, Mid 2015) Silver, 16GB RAM, 256GB SSD MacOS Monterey (12) Used (Grade B) - One Bite Technology - St. Albert
![Installed Monterey on my unsupported « obsolete » 2012 MacBook Pro thanks to OpenCore, and it's working like a charm! : r/mac Installed Monterey on my unsupported « obsolete » 2012 MacBook Pro thanks to OpenCore, and it's working like a charm! : r/mac](https://external-preview.redd.it/dUbchS8mnJAKR5fTOdoXsoW9Wz29W2osFVocJP3TWs0.jpg?auto=webp&s=1907b83cb7cab9e47459f7bb0ffd4948d09f6461)