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After I update to latest OS 12.2.1 Whenever I unplug and replug my LG Ultrafine Display, all the built-in accessories such as speaker, mic, and webcam do not work. The only way that I could manage to get this work is to restart the mac. however, the issues appear when I unplug the USB-C and replug again.
Any help?
Since it works until you unplug the monitor and when you replug it in it does not show, try booting to Safe Mode. That boot up takes minutes and clears caches and other things that may resolve your problem.
How to use safe mode on your Mac - Apple Support
A lot of times just boot to Safe Mode followed by normal boot resolves problems.
Since it works until you unplug the monitor and when you replug it in it does not show, try booting to Safe Mode. That boot up takes minutes and clears caches and other things that may resolve your problem.
How to use safe mode on your Mac - Apple Support
A lot of times just boot to Safe Mode followed by normal boot resolves problems.
I also find out more as my macbook pro has 4 usb-c ports two on the left and two on the right,
If I unplug the from the left, the issue happens only when I replug to the ports on the same side.
The is not issue when I use the other two ports on the other side of the mac
I have the same monitor. Everything worked perfectly until I updated to 12.2.1. I do not have hub issues like this post but my monitor no longer runs full 5k resolution :(
@Ericleungsc Apple support has confirmed this is an issue and they are investigating a fix.
+1 to this issue. After first plug in after restart or after restarting in plugged in state all built-in accessories & USB peripherals (keyboard, mouse dongle) work fine. After unplugging & plugging back in only the display works. Also have encountered the laptop crashing after plugging back in.
Using 2020 Macbook Pro 13in w/ Intel i5 + LG Ultrafine 5K
Tried NVRAM & SMC reset but no luck with those either.
Make sure you use the provided cable from LG. Not all USB-C cables are built the same.
yes, I am using the usbc cable come with LG.
You are connecting using the TB port outlined with the box on the monitor, correct?
I assume you are using a MBA so you need to sequence the startup process. I would connect the monitor before you power up the laptop which should have all working at that time.
+1 having the same issue after updating to 12.2.1
I am having the same issue. Plug in 1 time it works, plug in a second time does not. Reboot and same sequence still true. Certainly a bug
12.3 has resolved this issue for me.
Updated from 12.2 to 12.3 today & that fixed the issue for me too.
LG Ultrafine 5K accessaries not working when replug to Mac
