Camera doesn't work in Windows - Microsoft Support
When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.
Manage cameras with Camera settings in Windows 11
You can see the cameras that are connected to your device and change the default settings for those cameras (such as brightness, contrast, and more). With administrator access, you can also disable and enable cameras for the device.
Camera app shows error "0xA00F4244 NoCamerasAreAttached"
The root cause of the camera error 0xA00F4244 is often linked to issues with the camera driver. If this driver is outdated or corrupted, it might not effectively communicate with the hardware, leading to this error. Resolving this issue can often be as straightforward as updating the camera driver.
Manage app permissions for your camera in Windows
Select Start > Settings > Privacy & security > Camera, then make sure Camera access is turned on. This setting lets any user on the device choose if they want apps to be able to access the camera. Note: If you can't change the Camera access setting, you'll need an administrator on the device to turn it on for you.
Fix a missing Camera Roll in Windows - Microsoft Support
If you get an error message that says your camera roll is missing (0xA00F4275) when you try to take a picture or video with the Camera app in Windows try the following solutions, in the order listed.
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter.
How to use the Camera app - Microsoft Support
If your PC has a built-in camera or a connected webcam, you can use the Camera app to take photos and videos. To find the Camera app, select Start > Camera. Select any heading below. It'll open to show more info about using your camera or webcam.
Video playback settings in Windows - Microsoft Support
For these apps, you can control video playback using the video playback settings in Windows 11. For example, you can have your PC process video to enhance it (depending on your PC’s hardware) or choose to play video at a lower resolution to help save network bandwidth.
Troubleshoot Windows Media Player Errors - Microsoft Support
Run the Windows Media Player troubleshooter. Alternatively, you can go to Settings > Update & Security > Troubleshoot > Additional troubleshooters, and then select Windows Media Player to run the troubleshooter.
Uninstall or remove apps and programs in Windows
Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall.