Hi, I am an Independent Advisor, and welcome to Microsoft Q&A.
I understand you are having problems with your WIFI connection.
Have you tried completely deleting the WIFI driver?
Here are the steps to completely remove a Device from your computer.
Step 1. Use shortcut keys Windows key+ + X
Step 2. Select Device Manager.
Step 3. Expand the entry for Network Adapters, Right-click the problematic device, which is either an Intel Wireless or Realtek WIFI adapter, and select Uninstall device.
Step 4. You need to check the option Delete the driver software for this device and then click the Uninstall button.
Step 5. Reboot the computer.
After the reboot, please see if the problem is fixed.