![What causes the late 2012/late 2013 27" iMac to be suddenly stuck at 1280x720 resolution? - Ask Different What causes the late 2012/late 2013 27" iMac to be suddenly stuck at 1280x720 resolution? - Ask Different](https://i.stack.imgur.com/nzfUk.jpg)
What causes the late 2012/late 2013 27" iMac to be suddenly stuck at 1280x720 resolution? - Ask Different
![Amazon.com: Apple 21.5" ME699LL/A (Early 2013) iMac Ultra Thin AIO Desktop, FHD IPS Display, Intel Core i3 3.3GHz, 4GB DDR3, 500GB SATA, macOS (Renewed) : Electronics Amazon.com: Apple 21.5" ME699LL/A (Early 2013) iMac Ultra Thin AIO Desktop, FHD IPS Display, Intel Core i3 3.3GHz, 4GB DDR3, 500GB SATA, macOS (Renewed) : Electronics](https://m.media-amazon.com/images/I/71mwhddX4mS.jpg)
Amazon.com: Apple 21.5" ME699LL/A (Early 2013) iMac Ultra Thin AIO Desktop, FHD IPS Display, Intel Core i3 3.3GHz, 4GB DDR3, 500GB SATA, macOS (Renewed) : Electronics
![Apple iMac (27-inch, September 2013) review: New processors and faster Wi-Fi for Apple's slim desktop - CNET Apple iMac (27-inch, September 2013) review: New processors and faster Wi-Fi for Apple's slim desktop - CNET](https://www.cnet.com/a/img/resize/0df5ab98e29a9416a5576cd29efbd3eb19aabdd7/hub/2013/09/26/8e0aac40-67e4-11e3-a665-14feb5ca9861/35827456.jpg?auto=webp&fit=cover&height=482&width=856)
Apple iMac (27-inch, September 2013) review: New processors and faster Wi-Fi for Apple's slim desktop - CNET
![iMac 27" Retina 2K/QHD(Resolution: 2560*1440 ) LCD Screen Display Panel + Glass for iMac A1419 (Late 2012 – Late 2013) LM270WQ1(SD)(F1) , LM270WQ1-SDF2 - WIT Computers iMac 27" Retina 2K/QHD(Resolution: 2560*1440 ) LCD Screen Display Panel + Glass for iMac A1419 (Late 2012 – Late 2013) LM270WQ1(SD)(F1) , LM270WQ1-SDF2 - WIT Computers](https://witcomputers.com/wp-content/uploads/2021/01/LM270WQ1-SDF1.jpg)
iMac 27" Retina 2K/QHD(Resolution: 2560*1440 ) LCD Screen Display Panel + Glass for iMac A1419 (Late 2012 – Late 2013) LM270WQ1(SD)(F1) , LM270WQ1-SDF2 - WIT Computers
![Apple iMac 27" (5K, Late 2014) - Core i5 3.5GHz, 8GB RAM, 1TB Fusion (Renewed) : Amazon.co.uk: Computers & Accessories Apple iMac 27" (5K, Late 2014) - Core i5 3.5GHz, 8GB RAM, 1TB Fusion (Renewed) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71FDveP7JgL.jpg)