Technical Compatibility Apple has streamlined this process significantly with macOS, making it a native feature rather than a complicated hack. For newer iMacs featuring Thunderbolt 3 or USB-C ports, a standard USB-C to USB-C cable is required.
Seamless Setup for Using Your iMac as a Monitor for MacBook Pro
Once you have the correct cable, the setup process is remarkably simple. Requirements for Setup Before you begin, you need to ensure you have the correct physical cable to connect the two machines.
Both the iMac and the MacBook Pro need to be running relatively recent versions of macOS to ensure compatibility. Instead of the iMac receiving a signal, it acts as a display output device, receiving a signal from the MacBook Pro via a direct cable connection.
Best iMac Monitor for MacBook Pro: Easy Setup with Target Display Mode
The technology behind this is called Target Display Mode, which essentially reverses the signal flow. Here, you can choose between "Default for display" for the best resolution or "Scaled" for more layout options.
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