Default New Galaxy Note 3 and Facebook widget

Can anyone help me out when I install Facebook and add it as a widget in my note 3 my alert sounds for facebook don't work when posts are made... I went through all my settings on Facebook and everything is checked for alerts even checked on my PC for settings still nothing.. I even uninstalled and reinstalled and nothing... it worked fine when I was using my GS2 skyrocket.. it shows the number of new posts within Facebook. But can't get alerts to work.. thanks

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