Ethernet doesn't have a valid IP configuration

Local Network and internet not working after Windows 10 update version 1903. and show yellow triangle mark on your network connections on windows 10 “Unidentified Network” and run the diagnose results “Ethernet doesn’t have a valid IP configuration. this problem unidentified network or Ethernet doesn't have a valid IP address configuration mostly occurs when your windows pc fails to get a valid IP address from your DHCP server. its issue found because of the problem with network adapter drive and Incorrect network configuration or faulty NIC (Network Interface Card). If you want to resolve that issue in widows computer uses the following steps.

Restart DHCP client service

Press Windows + R, for Run

When Run Screen appear type services.MSC and press enter

See status of DHCP client Service

If the service not started, double click on it, change the startup type automatic.

Right-click on DHCP client and select Start

Reset TCP/IP

Click on windows key type cmd and open command prompt run as administrator

When command prompt open type netsh winsock reset and press enter

Now type netsh int ip reset and press enter

When command run successfully run restart the computer

Again open command prompt run as administrator run following command step by step

ipconfig /release