If you're a Windows user and cannot connect to your Wi-Fi network (especially if you just upgraded to Windows 10), the IPv4 and IPv6 protocols might have been disabled.
Follow the steps below, in order to enable the IPv4 and IPv6 protocols:
Right-click the network connection you are using and select Properties (e.g. If you use laptop and you are connected via Wi-Fi, select Wireless Network connection, and If you use a desktop computer and you are connected by Ethernet cable, select Local Area connection or Ethernet)
Check (Tick) the checkboxes next to IPv4 and IPv6 -> Click OK to save the changes
Click the X button in the top-right corner of the Network Connections window
If you cannot connect to the Internet it is possible that your computer hasn't obtained an IP address. Microsoft offers you an option called "Obtain IP address automatically," which is enabled by default. However, you might have disabled this option accidently and as a result of that, your computer cannot connect to the Internet. If you are still wondering how to fix internet connection on windows 10 or windows 8(.1), you need to enable this option.
To enable this option:
Note: You will need to have administrator access to apply this solution.
Feel free to watch the video below, that will show you how to change the DNS settings so that you obtain IP address automatically:
Internet access issues can be easily resolved thanks to the built-in network diagnostic tool (troubleshooter) developed by the Microsoft team to resolve network issues.
To run the tool, follow the steps below:
If you don’t receive the email in the next 2 minutes please check your junk folder, and add [email protected] to your safe sender list.