Which version of the router are you using?
Also there is normally a rese switch on the router (look on the back for a small hole next to the power suply) which will reset it to its default settings have you tried this?
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
This 2D animation about monsters is illustrated in a Van Gogh painterly style
How to get WWDC 2017 tickets
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.