White Screen internet

[Winnie62]

hi i have a QLED 7 tv all had been great now all of a sudden on one internet page all i get is a white screen - i can see from the screen that it is on the web page but there is nothing there - can anyone help? 

thanks

[Anonymous User]

clear the cache

[Winnie62]

Sorry how do I do that?

[Anonymous User]

it will be in the user manual