I just got my new desktop today. it is theHP 8300 4K Gaming Computer Intel Quad Core i5 upto 3.6GHz, 8GB, 1TB HD, Nvidia GT730 4GB, Windows 10 Pro, WiFi, USB 3.0 (Certified Refurbished) desktop. i really want to download some games but wifi wont work. i am getting connected, but the wifi icon has no bars. just the dot at the bottom is glowing. and i cant use the internet. even though its saying i have a internet connection. anything to do about this?