Let's execute following steps for this problem. Please update me once done.
- Use the Hardware & Devices Troubleshooter
Type Troubleshoot in Windows Start Search box > Click Troubleshoot > Scroll down & Click Hardware & Devices > Click Run the Troubleshooter & follow on-screen directions > Restart the computer after troubleshooting is completed
- Press Ctrl + Shift + Esc to invoke Task Manager > Go to the “Processes” tab > See which programs are currently running in the background of the system and If you found an app that uses Camera, end that program
- Reset Camera app
Right click on Windows Start > Apps & features > Scroll down and click Camera> Click Advanced options > Click Reset > Restart your computer
Go to Microsoft Store > Click 3 horizontal dots on top right > Downloads and Updates > Check if there is any update for this app > If yes, update it.
- Uninstall and Reinstall Camera app
A. Uninstall
Right click on Windows Start > Click Windows Powershell (Admin) > Copy the below command and right click in Powershell to paste > Enter
Get-AppxPackage Microsoft.WindowsCamera | Remove-AppxPackage
B. Reinstall
Right click on Windows Start > Click Windows Powershell (Admin) > Copy the below command and right click in Powershell to paste > Enter
Get-AppxPackage -allusers Microsoft.WindowsCamera | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}
5.Refer to this Microsoft help and execute the following steps
Check your antivirus software
Check for an outdated webcam driver
Roll back your webcam driver
Uninstall your webcam driver and scan for hardware changes
Help Link - https://support.microsoft.com/en-us/help/13753/...
There are three other actions which you can undertake
- Restore from a system restore point to a point when things were working fine
https://support.microsoft.com/en-us/help/12415/...
- If the issue has been caused due to recent Windows update - I would suggest that you uninstall the latest KB update and hide it so that it doesn't install it automatically and wait for new update to come which will be installed automatically.
To know which update got installed
Windows Key+i to invoke Settings > Update & Security > Click View installed update history. These KBs should be from the below list. Don't uninstall any other KB
https://support.microsoft.com/en-us/help/4099479
Make note of KB and uninstall and block it.
Uninstall
Windows Key + R > Type: appwiz.cpl > Enter > Click View installed updates > Select the required updates, right click, uninstall.
Block
Microsoft has provided a tool Show/Hide Updates tool to block the update
Download the tool from below link
http://download.microsoft.com/download/f/2/2/f2...
When you run this troubleshooter, it will search for available updates and list them
Select the update which you want to hide. Click Next and follow on-screen directions
- Perform a Windows 10 repair upgrade. Repair upgrade fixes all Windows errors and retains all files, applications and settings. (You will not lose any data while backup is a good idea) Below is a good guide to perform repair upgrade
https://www.tenforums.com/tutorials/16397-repai...
Do let me know if you have any more question or require further help. If above didn't work, I will supply more troubleshooting steps to solve this problem.
Disclaimer - This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.