Webcam and mic are not listed. They used to be......

My webcam and mic are not being listed in the dropdown menu---the menu is blank and when i click the webcam tab under the adobe flash settings. this never used to be the case. I have tried all the settings and searched adobes site but nothing.... this happens when i use Chrome browser. the camera shows up under Microsoft edge browser but it does not work well at all and freezes up all the time... HELP!