Turn off your tablet and turn it back on. Tap (or tap and hold) the wifi connection. If that does not work, on your tablet, go to Wifi Settings.Tried almost everything, changing from DHCP to static, disabling firewall, updating/reinstalling network drivers. But today, it just stopped and until now it is still like that, famous yellow triangle. Yesterday I updated my Windows 7 desktop PC to win10, and my internet worked perfectly, both wired and wireless.A6210 - AC1200 High Gain WiFi USB Adapter - 802.11ac Dual Band USB 3.0 / A6210.SNBForums is a community for anyone who wants to learn about or discuss the latest in wireless routers, network storage and the ins and outs of building and maintaining a small network.