SAMSUNG S5 MOBILE HOTSPOT NOT WORKING WITH MY LAPTOP?

SAMSUNG S5 MOBILE HOTSPOT NOT WORKING WITH MY LAPTOP; HOWEVER I JUST FOUND OUT IT WILL WORK IF USB TETHERED, CREATING A NETWORK. I HAVE AT&T SERVICE AND NEVER HAD ANY PROBLEMS BEFORE. OTHER PHONES MY FRIENDS AND I HAVE All CONNECT TO THE MOBILE HOTSPOT THROUGH MY S5 BUT ONLY MY GATEWAY NE56R41u WILL NOT. I HAVE WINDOWS 8.1 64 BIT OS AND MY LAPTOP IS ONLY A YEAR OLD. I RECENTLY UPGRADED FROM A S2 SKYROCKET, ALSO WITH AT&T, AND MY LAPTOP CONNECTED WITH NO PROBLEMS. THIS IS VERY ANNOYING, Please Help! I RUN MY NETWORK DIAGNOSTICS WIZARD THROUGH WINDOWS AND SOMETIMES IT TELLS ME THERE'S NOTHING WRONG EVEN THOUGH THERE IS, SOMETIMES IT SAYS I HAVE A BAD GATEWAY BUT CAN'T FIX, WHILE SOMETIMES ITCAN FIX GATEWAY. THING IS THAT MY LAPTOP SAYS THAT I HAVE INTERNET ACCESS WHILE MY BROWERS (OPERA, EXPLORER, FIREFOX, CHROME) SAY I DON'T. I HAVE TRIED LOOKING INTO LOCAL SERVICES AND EVERYTHING APPEARS TO BE GOOD IN SERVICES. AM I MISSING SOMETHING I THINK IT IS A CONFIGURATIONS PROBLEM.

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