Hard Reset is NOT a windows reset, it is just a device reset. Nonetheless, if the issue is one of entanglement, it may help and it will not hurt. If all else fails, you can try a simple Hard Reset on the notebook, although this is a bit of a leap of faith in this case since the problem is "just Skype".
If you go and get a download of the latest program file and deliberately install it, the installation procedure may clean up any "mess". You can also try reinstalling Skype Skype may have updated itself recently and just put itself into a tangle due to the manner in which it updated. Your own video screen should just pop up - if it does not, make sure that it is set to "Automatically receive video and share screens with" > People in my contact list only Reboot Windows if the diagnostic tool finds and fixes anything.The issue may be in the Skype Options - if you have not already done so, open Skype and check:.Then it may find a solution for your webcam. Click Next to run a scan with your hardware and device troubleshooter.Then select Hardware and Devices from the Troubleshooting list.On the Troubleshooting tab, click Hardware and Sound.
Type “troubleshooter” in the Cortana search box and select to open the Troubleshooting Control Panel tab.Then select any third-party software, including instant messaging or web applications listed under Background.You can check this by right-clicking on the taskbar and selecting Task Manager.Therefore, this may be the reason why the camera is not working on Skype.
You should also be aware that other background software built into the webcam can record a video stream. Windows will automatically install the latest webcam drivers.
If the video settings indicate that Skype couldn’t find your webcam, it means that Skype didn’t recognize your camera.
Why won’t my Skype webcam work on Windows 10