How do I restore IPv4 connectivity?

1. Why do you get the ‘IPv6/IPv4 Connectivity: No Internet Access’ Issue?
2. Solution 1: Update your network drivers.
3. Solution 2: Change HT Mode.
4. Solution 3: Release and renew your IP configuration.
5. Solution 4: Reset Winsock.
6. Solution 5: Disable IPv6 to force your PC to use IPv4.