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What causes the late 2012/late 2013 27" iMac to be suddenly stuck at 1280x720 resolution? - Ask Different
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Apple iMac (27-inch, September 2013) review: New processors and faster Wi-Fi for Apple's slim desktop - CNET
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Apple iMac 27" (5K, Late 2014) - Core i5 3.5GHz, 8GB RAM, 1TB Fusion (Renewed) : Amazon.co.uk: Computers & Accessories
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What causes the late 2012/late 2013 27" iMac to be suddenly stuck at 1280x720 resolution? - Ask Different
![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/02e9873a5e42381be8aa92be29c201532636ef5c/hub/2013/09/25/f6183a4f-6797-11e3-846b-14feb5ca9861/Apple_iMac_2013_35827456_03.jpg?auto=webp&fit=crop&height=1200&width=1200)