You can close the menu or the guide using the Back or Close button. Then open it again using the TV button on your remote. 

Press and hold the Power button on your remote for ~8 seconds and your TV will restart.

Switch your router off at the mains, leave it for 30 seconds before turning it back on. Give it a minute or two to reconnect, and then check your TV to see if this was successfully. 

Note: Please do not leave this page while your router is restarting. 

If the previous steps did not resolve your issue, you can also drop a message on our forum where our helpful community members and staff will be able provide some assistance. To create an account to post on the forum, click here.