DELL DA300 is an USB-C adaptor,small,cute, and embedded with strong display extension for Displayport/ HDMI / ethernet, USB-C/USB-A, even legacy VGA.
Problem, the network interface seems not working after macOS 14.(for win10,it is still a go). This post will show you the way to revive DA300 on mojave/big sur/monterey macOS on intel based mac computers.
Dell homepages said it supports macOS 12. The real problem is that after macOS 14, the realtek network interface card (which boarded on DA300) is not longer supported by macOS. Good news is that realtek provided the upgrade for later macOS.
Download page:
find the following dirver.
MAC OS 10.9 to 10.15 , for the day I am writing this post (Dec 2022) , it is 1.0.22, 2020/12/21 |
This is the Mac OS X driver for Realtek 8152B/8153/8156. The system will be rebooted after the driver is installed, so please close all the other applications before installing the driver. After the system is rebooted, please follow the following steps to configure the network:
1. Select the "System Preference" from the system menu.
2. Select and launch the "Network" item in the "System Preference" folder.
3. From the "Configure" list, select the adapter to be configured.
4. Configure the settings.
5. Click the "Save" button.
Then you can connect to the Ethernet.......
NOTE: This driver is for Mac OS X 10.9 or later versions on the Intel-based Mac.
DELL released DA300 around 2018, and it is unfortunate that there are no information about the support on later version of macOS. Obviously, they show more enthusiastic on supporting successors as DA310.
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