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Have a 2018 airmac (1.6GHz i5) but want to use my old iMAC (late 2015 21.5" 1.6GHz dual i5) as a display.
The iMAC runs really slow, but screen is nice.
Looks like I would need a USB-C to a thunderbolt cable - do apple sell these, or do I need some other combination. Any reason it wouldn't work before I spend $60-80 on cables?
iMac 21.5″, macOS 10.15
You have a great concept for connecting your 2019 MacBook Air and using your Late-2015 iMac as a display in a target display mode. Unfortunately your iMac does not qualify for this.
Note: Target Display Mode isn’t supported on iMac models with Retina display. Only iMac (27-inch, Late 2009), iMac (27-inch, Mid 2010), and iMac (Mid 2011 to Mid 2014) support Target Display Mode.
The above conclusion was drawn from this article by Apple ➔ Use your iMac as a display.
Axel F.
You have a great concept for connecting your 2019 MacBook Air and using your Late-2015 iMac as a display in a target display mode. Unfortunately your iMac does not qualify for this.
Note: Target Display Mode isn’t supported on iMac models with Retina display. Only iMac (27-inch, Late 2009), iMac (27-inch, Mid 2010), and iMac (Mid 2011 to Mid 2014) support Target Display Mode.
The above conclusion was drawn from this article by Apple ➔ Use your iMac as a display.
Axel F.
OK thanks. Solves that question! How easy would it be for me to connect airmac to any other commercial brand screen - is there a USB-C to HDMI cable - is it that simple?! thanks again
Yes it is that simple. I have a 2019 MacBook Air and I use a USB-C to USB-C cable because my external display also has an USB-C port.
Axel F.
Connect 2018 Airmac to use late-2015 iMAC as a display
