WIFI dongle with yellow explantion mark. Windows 10

In device manager under network adpaters my usb stick has an yellow explantion mark on it and won't work anymore. but my pc will work on ethernet. this only started happening after I installed Windows 10. Please Help Anyone.
 
802.11n usb wireless Lan card. Ralink technology Corp. driver version 5.1.9.0. digital signer mediatek inc
 
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