Connecting to external screen
How do I connect my macbook Air to an external DELL SE2416H screen? My computer does nt recognise the screen make nor model.
MacBook Air 13″, macOS 10.15
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Use external monitors with your Mac - Apple Support
Check the ports on your Mac to find out whether you need an adapter
Turn off your MacBook and the Dell monitor
Turn on the Dell monitor, and then turn on your MacBook. The images from your desktop should display on the Dell monitor automatically. If this doesn’t happen, press the “F7” key to turn on Video Mirroring