As customers here, we can't do that for you. Try the connection test here. If it detects a fault you'll be able to book an engineer there and then.
If not you'll need to contact Sky to report a fault. If you don't have the means to do so, we can alert Sky here and they may be able to help via the Community's online messaging service.
https://www.sky.com/help/articles/broadband-diagnostic-start
