Low wifi signal on laptop but not other devices

Hi

For some reason my laptops wifi has dropped over the last few days my phone etc are all fine and have a strong signal and so did my laptop until the other day whenit just dropped I haven't moved the room it's in or where the router is it just dropped siganal I've restarted the router checked for updates etc on the laptop but no joy and I use my laptop everyday for course work as well as streaming but can't stream at the moment due to the signal please help