7 nov. 2023

My MacBook Pro has a *fun little quirk* where it detects the external monitor, arranges the windows accordingly, and neglects to actually send a signal to the monitor. Sometimes I just need to wait, sometimes I need to fiddle with menus and wires for five minutes before it’ll work properly. And it’s getting worse with time.

My monitor’s fine; I tried a different cable; it happens on USB and HDMI ports so I doubt it’s a hardware issue.

And I’m not alone 😡

M1 MacBook Air: External display not recognized after waking from sleep

Having the same issue, I found that the problem doesn’t occur on HDMI via my Mac Studio. However, any USB-C to HDMI/DisplayPort adapter that I’ve tried has issues. The Mac not sending power to the USB-C port when it wakes up quickly seems to be an issue. However, if I unplug it, then plug it…

Want to know when I post new content to my blog? It's a simple as registering for free to an RSS aggregator (Feedly, NewsBlur, Inoreader, …) and adding to your feeds (or if you want to subscribe to all my topics). We don't need newsletters, and we don't need Twitter; RSS still exists.

Legal information: This blog is hosted par OVH, 2 rue Kellermann, 59100 Roubaix, France,

Personal data about this blog's readers are not used nor transmitted to third-parties. Comment authors can request their deletion by e-mail.

All contents © the author or quoted under fair use.