@High_Ping There could be a strong wireless interference around you. See how to check that and choose a proper wireless channel - https://www.metageek.com/products/inssider/ Also make sure that...

@D0bros WR740N login page should be accessible on http://tplinklogin.net If it doesn't open on this domain then see how you can find your router IP address here. Of course you have to be connected by...

@sg56 Try here:

@rdude This scenario will work for sure. And yes, mostly an entry level devices support WISP.

I agree on that. My suggestion was based on the OP request for a secondary router.

@Fil82 If you can't connect with the wi-fi password printed on the bottom sticker, you can connect to device via ethernet cable and see/change the wireless password from the device's web management...