Open Command Prompt with appropriate permissions and use ipconfig /release followed by ipconfig /renew.
Step by Step
- Save any network-dependent work.
- Open Command Prompt with the permissions required on your PC.
- Type ipconfig /release and press Enter.
- Type ipconfig /renew and press Enter.
- Run ipconfig to review the new configuration.
- Test the connection.
If That Doesn't Work
- This temporarily disconnects the affected adapter while its address is released.
- It will not fix an ISP outage or a router that cannot reach the internet.