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My external monitor (Dell S2419H) can't detect my MacBook Air (2015 version) after upgrading to Catalina 10.15.7. Anyone has the similar experience? I tried some solutions on earlier posts, restarting monitor, computer, reset PRAM etc. None of them works. It's frustrating when waking in the Morning on Monday and trying to work from home but your computer refuses to end its weekend party...
MacBook Air 13″, macOS 10.15
Same issue,
Tried all the solution, end up spending addiotional money to purchase apple brand multple usb-c adapter and still doesnt not work. This is really frustrating as i own a 13inch macbook pro that connect to a 34inch external monitor which help in term of productivity and this issue arises.
@suchada50 I don't have any signal at all. When I plug in the cable, the cursor gets stuck for a while, and then the cursor gets back to normal, but my external monitor says no signal. I suspect there is some problem with the driver, but sadly no fix has been provided by Apple. I even tried to install Big Sur, but still it doesn't work.
I have this problem too. The signal is unstable. It's going on and off.
@arifrahman88 Sadly I don't even have a usb-c port on my MacBook. I only have the first generation of thunderbolt port. However, usb-c to hdmi cable works fine when I connect my iPad to a monitor.
No HDMI signal after upgrading to Catalina 10.15.7
