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.

If there are no updates for your camera, try to select Advanced options > Optional updates, and look for any driver updates for your camera. Allow available updates to install, then restart your device when it's ready.


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Most available USB webcams are UVC (standard USB Video Class) compatible cameras. They will work with the UVC driver that is included in Windows (the in-box UVC driver). If your webcam is not working correctly, swapping to the in-box UVC driver may resolve the issue. Please follow the steps below to change drivers (admin rights are required).

When your camera isn't working in Windows 10, 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.

If the operating system does not detect the camera, you must first make sure that the camera drivers are installed. In addition, do not forget that manufacturers of webcams strongly recommend installing the latest drivers. If you do not have the CD and installation files for your webcam, first of all, try to find them on the manufacturer's official website. If you could not find them there, do not hesitate to download free webcam drivers from our website.

It worked well when I compiled it in Yahoo, MSN, but it crashed AIM, Internet Explorer Flash Webcam, Firefox Flash webcam and Skype... I got crash in QueryInterface after 8 time call to that, I found it with tracing it with a lot of tricks..

To create image acquisition devices under windows, you have to provide either a device (driver) which implements the streamclasses interfaces (or newer Avstream) or you have to write a usermode COM object which has to be added to the VideoInputCategory enumerator.

You can not decide how other program would call your driver. Most of programs will use DirectShow. Some would use the win3.x technology VFW. Many new programs, including Windows XP's scanner and camera wizard, may call you via the WIA interface. If you do not want to implement all that, you need to at least provide the DirectShow interface via WDM and let vfwwdm32.dll gives you a VFW interface, or write your own VFW driver.

For information about, help using and fixing issues with your webcam (web camera, web cam), and how to enable or disable your webcam, see the section that matches the operating system that is installed on your computer.

Fix 4. Reinstall or roll back the webcam or camera driver on Windows 10. You can press Windows + X and select Device Manager. Expand Imaging devices, Cameras or Sound, video and game controllers. Right-click your webcam and select Properties. Click Driver tab and select Uninstall device to remove the webcam driver on Windows 10. Restart your computer and it will automatically install the webcam driver. If you want to roll back the webcam driver to an old version, you can click Roll Back Driver to install the old version of the webcam driver.

Although Windows 10 can automatically configure most cameras, it does not mean they will continue operating with issues indefinitely. Sometimes, peripherals can stop working for many reasons. For instance, it could be due to a problem with the driver, recent system updates, privacy settings blocking access to the camera, or hardware-related issues.

If you notice problems with the built-in webcam on your laptop or USB camera on a desktop computer, Windows 10 includes several ways to fix the most common issues using Device Manager, Settings, or correcting the software privacy settings.

If the camera no longer works, or you are ready for an upgrade, we recommended the Logitech BRIO webcam because of its 4K resolution and HDR support, as well as for its compatibility for Windows Hello authentication on Windows 10.

If you're looking for the best camera for meetings and video chat, the BRIO from Logitech is the one for you since it was the first webcam in the market with 4K support and offers pretty nifty features like background replacement and Windows Hello support.

Sometimes Windows Update may not have the most up-to-date drivers available. If this is the case, you may need to check the manufacturer support website to get the newest drivers available and the instructions to apply them.

Sometimes hardware manufacturers will roll out driver updates that may still contain compatibility issues. If the camera was working before a recent driver update, restoring the previous version can resolve the problem.

Some antivirus and other third-party security software come with privacy settings that can prevent apps from accessing the webcam. If you use a security solution that offers such features (such as the case of the Kaspersky Total Security), you need to dive into the privacy settings to allow apps access to the camera.

I've recently noticed 'Windows Camera Frame Server' is using around 10% CPU when the EOS Webcam Utility driver is in use, but no feed is coming from the camera (it is on standby for example). When the feed is received the usage drops down to more acceptable numbers.

Seems to only be an issue with the EOS Webcam Utility as when I use any of my other webcam sources I am not experiencing this. I have tried uninstalling the driver and reinstalling but the issue is still persistent.

Further, I previous had installed the beta version of this driver and note there are some files in my system32, drivers and driverstore folders dated back to October (2020). I note the latest version of the driver was released November so am wondering if these older files could be causing a conflict? I've tried deleting but cannot.

Yes! I am having the exact same issues. Hogging nearly 30% of CPU usage on a high end machine! This is when using another webcam (not my camera). It dropped back down to 1.7% after uninstalled EOS webcam untility. Canon we need this fixed!

Same over here! It's apparently a problem that only HD Webcams had in the past (saw lots of 2017-2018 posts about it) but now it's mostly solved. Maybe the driver works in tandem with the mentioned service, because I disabled it and the camera didn't show up in any program. As soon as I re-enabled the 'Windows Camera Frame Server', that camera appeared again on the lists.

I'm sadly having the same issue, the camera frame server is sitting at 15%-20% cpu usage.


There seems to be a lot of issues with the camera frame server, even without using EOS software (google is filled with complaints about memory leaks, high cpu usage).


The main fix is disabling the camera frame service, however it seems that the EOS webcam driver/software is dependent on this to work. So while it may not be the fault of the EOS webcam utility, it's dependency on the camera frame service isn't optimal.



Same problem there.

I would like to stop the Windows Camera Frame Server service as it is too cpu consuming for doing lives with OBS.


I saw that with my HD webcam c920, I can stop the Windows Camera Frame Server service as I don't need that my video stream to be used by several apps at the same time and it works well.

But using the eos webcam utility with a canon m50, as said above disabling this service make the video stream not available for OBS.


It would be great to have an update of the canon eos webcam utility to work without the Windows Camera Frame Server service .


Thanks for you consideration.

All the best.



One possible problem I've just noticed is the brightness settings in the windows camera app. When I hit the brightness button the app crashes. On occassion the brightness toggle will appear briefly before it crashes showing the lowest brightness setting.

If a webcam driver update is available from HP, download the file to your computer and install the software according to the instructions on the webpage. After updating, restart the computer, and then try using your software again. If the problem persists, continue using these steps to install a generic Windows USB video driver.

If more than one webcam driver is listed, right-click the driver and select uninstall for any driver that is not the HP Webcam-101 or Microsoft USB Video Device driver. Once the other drivers have been removed, restart your computer and open your software. If problems persist, continue using these steps.

Step 3. Right-click on this, then press Uninstall device. This option should uninstall the current camera driver on your Windows registry. Once finished, you will not be able to use your device for the moment.

Use your phone's camera as a wireless webcam in your PC or Mac.

Install Webcam for Windows, Mac or Linux, download Iriun Webcam app to your mobile phone and start using the phone with your favourite video applications.

You may turn on auto framing by hand gesture. Just hold your right or left hand with your palm facing the webcam for three seconds until the power indicator flashes twice. Taking the following hand gestures for example, use an open hand palm and show number five:

Yes, PW313 is Plug & Play device support for Windows 7 or 8.1. If your webcam isn\'t turning on. Open Device Manager by clicking the Start button and check if your webcam displays in the device manager. e24fc04721

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