If after going through all of these steps you receive a message saying that this Microsoft account doesn't exist it may have been removed if the account has been inactive for longer than 60 days. Relaunch the app to see if the issue of webcam not working on Mac is resolved. Hit Return on your keyboard and enter your admin password if prompted. Click inside the terminal window and type sudo killall VDCAssistant. Press the profile image or your screen name. Under System > Library, you can also find LaunchDaemons, LaunchAgents and StartupItems folders, but we don’t recommend making changes to these. That is using a command line to Force Quit the process: Go to Applications Utilities Terminal.
You will receive a security code to whichever email or phone number that you have used.From here you will then need to enter a phone number or an alternate email address associated with your Microsoft account.If you have forgotten your Skype Username but remember your password follow these steps: How to recover a forgotten Skype username? Select Save, near the upper-right corner of the page. Click Edit Profile again and then input your new username. Scroll down to Settings and preferences and click Edit profile. From the drop-down menu that appears, select My Account. Any results from this inquiry will be sent to the email address that you have given. Select your name in the upper-right corner of the screen. Just click whatever system you are using (Mac, Windows, iOS, etc) near the bottom of the post to display how to find your username. Once you have entered the recovery form it can take up to 24 hours to verify the information that you have provided.You’ll now see the newly entered display name next to the Send Mail. Here, you can change your display name by clicking the bubble next to the text box and then typing the new display name in that text box. Skype offers some guidance on how to complete the recovery form here. Click the Edit Info button to change your display name.You will then need to enter an email address that is different to the one you no longer have access to, or have forgotten.