FIX LAN AND WIFI CONNECTION

Repair network stack LAN and WiFi

Open the CMD with Admin Privilages

Reset WINSOCK entries to installation defaults:

netsh winsock reset catalog

Reset TCP/IP stack to installation defaults:

netsh int ip reset reset.log

Reset Firewall to installation defaults:

netsh advfirewall reset

Flush DNS resolver cache:

ipconfig /flushdns

Renew DNS client registration and refresh DHCP leases:

ipconfig /registerdns

Flush routing table (reboot required):

route /f