Why won't my laptop connect to the internet?

Ok so when I click on the internet it won’t show any web pages. When I check the wireless connection it says it has full signal strength and that it is fully connected. I have checked the LAN settings and run countless diagnostic checks that seem fruitless in their reward! Please help I am running out of patience!
I am not very technically minded so not sure what other details to put, if you need to know anything else to ais my quest let me know and I’ll try to answer!