tb3 dp output failed - Githubissues

the-darkvoid / XPS9360-macOS

macOS Catalina on Dell XPS 9360

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tb3 dp output failed #182

Closed abstract-liu closed 3 years ago

abstract-liu commented 3 years ago

Hi friend, my laptop is xps13 9360 with 7200u and uhd620 graphic card, bios version is 2.9.0, catalina 10.15.7 I fully use your EFI. Everything is Okay, except for tb3 dp output. The system can detect it showing in the settings-monitor, but the monitor is black... Besides, the hdmi output is okay. I would be greatly appreciated if you could help me figure out this problem. Thx~

mankot14 commented 3 years ago

TB3 is finicky. You'll need to boot the machine after plugging in the TB3 cable for the DP functionality to work. You cannot hot-plug TB3 devices.

abstract-liu commented 3 years ago

TB3 is finicky. You'll need to boot the machine after plugging in the TB3 cable for the DP functionality to work. You cannot hot-plug TB3 devices.

yeeh, I finally made it work... in a strange method. First, I have to plug in hdmi monitor before os start. Then, after entering os, I can plug in dp input to my tb3 docker,,, and reopen monitor a few times.... I think it may be the problem with display memory allocation? Last, thank u very much :)