Why htc one m7 wont access facebook?

My HTC one m7 won't access Facebook,even though my internet connectivity is very good it still says 'no internet connection check and try again'
I've tried so many times but it stil not working..I need help please .
Some one should please help me rectify the problem

from Android Forums at AndroidCentral.com - Ask a Question //forums.androidcentral.com/ask-question/758137-why-htc-one-m7-wont-access-facebook-new-post.html
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