You might be prompted to enter your router's credentials if you had not logged in to the router prior to this.
Navigate to Network.
Go to Interfaces > LAN.
Under General Setup, click on the minus (-) icon on the Use custom DNS addresses.
Scroll down and click on Save & Apply.
Reboot your router.
If you have any problems, please email us at firstname.lastname@example.org , and try to include any errors and a full description of the fault.
We'll get back to you as soon as possible to assist you.