RE: Latitude E6420 Integrated Webcam Problem
Thank you for your response, apologize as it took long time to identify the issue and looks like the issue is with the Software.
Since we’ve done almost everything to fix the issue, requesting you to format the computer to factory reset where all the applications will work fine. Please click on the below link which has detailed steps to initiate PC Restore.
Select your Operating system and Select the Dell backup and recovery manager and follow the instructions accordingly.
Note: Please backup the data before formatting the computer to factory settings.
Please reply us with your findings.