![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/a1f972925c5242fa22d6cbdef0ca669e86332518/hub/2013/09/25/f6183a4f-6797-11e3-846b-14feb5ca9861/Apple_iMac_2013_35827456_03.jpg?auto=webp&width=1200)
Apple iMac (27-inch, September 2013) review: New processors and faster Wi-Fi for Apple's slim desktop - CNET
![display - Using iMac late 2013 as external monitor to HP EliteBook 820 G3 on Windows 10 - Ask Different display - Using iMac late 2013 as external monitor to HP EliteBook 820 G3 on Windows 10 - Ask Different](https://i.stack.imgur.com/MPnI1.png)
display - Using iMac late 2013 as external monitor to HP EliteBook 820 G3 on Windows 10 - Ask Different
![Can someone tell me what is broken here ? This is my late 2013 IMac. It stopped showing things a couple days ago but an external Monitor shows everything. The screen is Can someone tell me what is broken here ? This is my late 2013 IMac. It stopped showing things a couple days ago but an external Monitor shows everything. The screen is](https://i.redd.it/qkbueto1mk581.jpg)
Can someone tell me what is broken here ? This is my late 2013 IMac. It stopped showing things a couple days ago but an external Monitor shows everything. The screen is
![display - Using iMac late 2013 as external monitor to HP EliteBook 820 G3 on Windows 10 - Ask Different display - Using iMac late 2013 as external monitor to HP EliteBook 820 G3 on Windows 10 - Ask Different](https://i.stack.imgur.com/yiYm2.png)
display - Using iMac late 2013 as external monitor to HP EliteBook 820 G3 on Windows 10 - Ask Different
![Trying to use my late 2013 Mac 21.5” as a second display for my 2020 Mac 27”. Smaller mac won't go into target display mode. Has anyone come across this issue? : r/mac Trying to use my late 2013 Mac 21.5” as a second display for my 2020 Mac 27”. Smaller mac won't go into target display mode. Has anyone come across this issue? : r/mac](https://preview.redd.it/hwjicedel8a61.jpg?auto=webp&s=182f1a717bbed1fc16c00e0ef0d3d74522acac50)
Trying to use my late 2013 Mac 21.5” as a second display for my 2020 Mac 27”. Smaller mac won't go into target display mode. Has anyone come across this issue? : r/mac
![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
![Amazon.com: Apple iMac ME088LL/A Intel Core i5-4570 X4 3.2GHz 16GB 1TB 27in, Silver (Renewed) : Electronics Amazon.com: Apple iMac ME088LL/A Intel Core i5-4570 X4 3.2GHz 16GB 1TB 27in, Silver (Renewed) : Electronics](https://m.media-amazon.com/images/I/71UB8dVBl2L._AC_UF894,1000_QL80_.jpg)