Old iMac as a monitor - instructions for screen synchro »Sir Apfelot
Repurposing an Older iMac As a Monitor and Server - Stephen Foskett, Pack Rat
Turning a 27" 2011 iMac into an external QHD Display with a Juicy Crumb Dock Lite - YouTube
Video: 27-Inch iMac in Action as External Monitor | Cult of Mac
Final Words - The 27-inch Apple iMac Review (2011)
Use iMac as monitor: 5 Solutions - 9to5Mac
Juicy Crumb - 2011 27" iMac Upgrade Logic Board by Juicy Crumb Systems — Kickstarter
How To: 2011 MacBook Air to iMac as an External Display - YouTube
Can a MacBook Air run a large external display? – Mac Crazy
Using iMac As Monitor Requires Very Specific Cable | Cult of Mac
Can I use a Mid 2011 27 inch iMac (Thunderbolt) as a display for a PC? - Ask Different
iMac notes: Dual external monitors, touchpad and SSD options - 9to5Mac
How to add a second screen on your iMac 2011 onwards - YouTube
iMac notes: Dual external monitors, touchpad and SSD options - 9to5Mac
Old iMac as a monitor - instructions for screen synchro »Sir Apfelot
iMac dual monitor setup: How to connect an external monitor to your iMac | alvinalexander.com
Use your iMac as a display with target display mode - Apple Support
/cdn.vox-cdn.com/uploads/chorus_asset/file/13062147/NIK_6994.1419962399.jpg "Apple iMac review (mid 2011) - The Verge")
Apple iMac review (mid 2011) - The Verge
2009-2011 27" iMac as an external display | MacRumors Forums
Mac Setups: iMac 27″ and External Display | OSXDaily
Troubleshooting tips for using an old iMac as an external display for a Thunderbolt 3 Mac | Macworld
display - Can I connect my Mid 2011 Mac to a second monitor? - Ask Different
![New iMac Notes: Dual External Display Output, OS X on SSD - No Video Input? [Updated] - MacStories](http://657b072aab060d50f8ce-d7abb53cb376b4947d77643d4b4a48d3.r79.cf1.rackcdn.com/22526_Screen-shot-2011-05-03-at-4.54.03-PM.png "New iMac Notes: Dual External Display Output, OS X on SSD - No Video Input? [Updated] - MacStories")
New iMac Notes: Dual External Display Output, OS X on SSD - No Video Input? [Updated] - MacStories
iMac (21.5-inch, Mid 2011) - Technical Specifications
![2011 21″ iMac (HD6750M) [2nd,4C,S] + GTX 1050 Ti @ 10Gbps-TB1 (AKiTiO Thunder2) + macOS 10.13 & Win10 [NayChan] | External GPU Builds](https://i.imgur.com/0cacFDe.jpg "2011 21″ iMac (HD6750M) [2nd,4C,S] + GTX 1050 Ti @ 10Gbps-TB1 (AKiTiO Thunder2) + macOS 10.13 & Win10 [NayChan] | External GPU Builds")