Laptop camera not detected in Windows 11 (Error 0xA00F4244 NoCamerasAreAttached)

Question

My laptop camera is not working on Windows 11.

When I open the Camera app it shows the error code 0xA00F4244 <NoCamerasAreAttached>.

In Device Manager the camera is not showing under Imaging Devices or Cameras.

I already tried:

• Checking camera privacy settings
• Scanning for hardware changes in Device Manager
• Restarting the laptop

But the camera is still not detected. How can I fix this?

Answer 1

Hi MD SAMIM HOSEN,

I understand how frustrating it is when the built‑in camera suddenly stops working, especially after you’ve already tried some basic checks. Have you already tried the Q&A Assist suggestions? In addition, please try the following.

Step 1: Check for camera being disabled at firmware (BIOS/UEFI) level

On many laptops, the internal camera can be disabled outside of Windows.

1. Restart the laptop and enter BIOS/UEFI (usually by pressing F2, F10, Del, or Esc during startup).
2. Look for a setting such as “Camera”, “Integrated Camera”, or “I/O Devices”.
3. Make sure the camera is Enabled, then save and exit.

Step 2: Use Microsoft’s built‑in camera troubleshooter

Microsoft recommends using the automated camera troubleshooter, which can re‑register missing devices:

1. Open Get Help from Start.
2. Search for “Camera” and run the camera troubleshooting flow.
3. Complete all recommended actions and restart.

Step 3: Check if the camera is hidden under another device category

If Windows detects the hardware incorrectly, it may appear elsewhere.

1. Open Device Manager.
2. Select “View” > “Show hidden devices”.
3. Expand:
   • “Universal Serial Bus controllers”
   • “Sound, video and game controllers”
   1. Look for “USB Video Device” or Unknown device.

If you see an unknown device, that usually indicates a driver or detection issue, not a permissions problem.

If all of the following are true, at that point, the supported path is to:

• Contact the laptop manufacturer for camera hardware service
• Especially common if the ribbon cable is loose or the camera module has failed

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Answer 2

1

Right click your Start Button and open Device Manager.

At the top of Device Manager, select View - Show Hidden Devices.

Expand the Cameras section.

Please provide a screenshot of that full Device Manager window.

2

Click your Start Button, then just type msinfo and press Enter, please provide a screenshot of the resulting System Information window.

Answer 3

Error 0xA00F4244 means Windows cannot detect any camera device. Since the camera is also missing from Device Manager, the focus should be on hardware detection and drivers.

Follow these steps in order:

1. Check physical camera controls
   • On many laptops there is a function key (F1–F12) with a camera icon. Press that key, or Fn + that key, to enable the camera.
   • Check for a physical privacy shutter/slider near the camera lens and make sure it is open.
2. Confirm the camera is detected in Device Manager
   • Select Start > Device Manager.
   • In Device Manager, select View > Show hidden devices.
   • Expand Cameras, Imaging devices, and Sound, video and game controllers to see if any camera or “USB Video Device” appears.
   • If the camera appears but is disabled, right‑click it and select Enable device.
3. Run Windows Update to get camera drivers
   • Use Windows Update to automatically get recommended and updated hardware drivers for the camera. See Automatically get recommended and updated hardware drivers for detailed steps.
   • After updates install, restart Windows and check if the camera appears in Device Manager and the Camera app.
4. Switch to the generic USB Video Device driver (if a camera entry exists) If a problematic camera entry appears under Cameras in Device Manager:
   1. Right‑click Start and select Device Manager.
   2. Expand Cameras and right‑click the camera with the issue, then select Properties.
   3. Go to the Driver tab and select Update driver.
   4. Select Browse my computer for drivers.
   5. Select Let me pick from a list of available drivers on my computer.
   6. Select USB Video Device, then select Next to install the generic driver.
   7. Close the dialog when Windows reports the driver was updated, then test the Camera app.
5. Install the manufacturer’s camera driver (if the device shows up) If the camera appears in Device Manager but still does not work after trying the generic driver:
   1. In Device Manager, expand Cameras, right‑click the camera, and select Properties.
   2. On the General tab, note the Manufacturer and any model/name.
   3. Go to the laptop or camera manufacturer’s support site and download the latest camera/webcam driver for the exact model.
   4. Install the driver, restart Windows, and test again.
6. Verify camera privacy and access (for completeness)
   • Ensure camera access is allowed for apps in Settings > Privacy & security > Camera.
   • If using desktop apps (browsers, Teams, etc.), make sure Let desktop apps access your camera is turned on.

If after Windows Update, driver changes, and manufacturer drivers the camera still does not appear anywhere in Device Manager (even with hidden devices shown), this typically indicates a hardware or internal connection issue with the built‑in camera, and service from the device manufacturer may be required.

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References:

• Camera app shows error "0xA00F4244 NoCamerasAreAttached"
• Camera doesn't work in Windows