Cause analysis
It was found that the NIC driver was added to the blacklist and thus failed to start. As a result, the mac encountered the 031-51913 Incompatible Kernel Extension Configuration Data 3.28.1 problem, to solve this problem, we only need to simply follow the steps below.
Solution
First, go to the "about local computer"> "system report"> "software"> "installation" of the system on mac to check whether there is a security update with version 3.28.1, as shown in the following figure:
If you do not have to worry about it, you can still connect to Wi-Fi for wireless Internet access. However, some users say that the wireless network cannot be used. In this regard, Apple has quickly deleted "3.28.1" and pushed a new "3.28.2" upgrade. It also provides solutions for users who cannot access the Internet for different situations, it is mainly to find a way to upgrade to "3.28.2 ".
The following is a solution that allows you to access the Internet through WiFi:
-Open the terminal command window
-Enter "sudo softwareupdate -- background" and press enter to upgrade "Incompatible Kernel Extension Configuration Data" to the latest version. Check whether the security update has been upgraded to 3.28.2.
-Exit the terminal command window and restart Mac
Well, the above is an article for you on the reasons and solutions for the abnormal use of the computer's wired network after the mac computer is updated.