Cómo convertir un iMac Intel en un monitor externo. - Guía de reparación iFixit
Connect two 5K LG 27" Monitors to iMac 20… - Apple Community
Just checking, still no way of getting 4K 120hz working in macOS on an external monitor that only has HDMI? I have the 14” M1 Pro and an LG 48CX and would
iMac 2017 Second Monitor - YouTube
How many external displays does a MacBook, Mac mini, or iMac support – Hoxton Macs
Used Apple iMac 21.5-inch (Retina 4K) 3.6GHZ Quad Core i7 (Mid 2017) MNE02LL/A-BTO - GainSaver
Old iMac as a monitor - instructions for screen synchro »Sir Apfelot
Apple iMac 2017 | 21.5" | i5-7360U | 8 GB | 256 GB SSD | US | €669 | Now with a 30-Day Trial Period
How to Use an iMac as an External Monitor
How to use an iMac as an external monitor | Macworld