How to Fix Webcam Error Code 0xA00F4288 All Cameras are reserved on Windows 10
Step 1) Make sure the camera app is turned on
Step 2) Reset Windows 10 Camera app
Step 3) Update webcam driver from device manager
Step 4) Uninstall the webcam driver and restart your PC
Step 5) Run Windows store troubleshooter
Step 6) Allow Camera and browser access to your antivirus program, you can can also disable your Antivirus program when using the camera
Step 7) Update to the Latest Camera driver and BIOS from system manufacturer's website
Step 8) For MSI laptop for few model numbers pressing Fn+F6 on the keyboard to enable camera
Step 9) If you have Asus computer for some model number pressing F10 enables the camera.
Step 10) Some HP laptop has a camera kill switch on side of the laptop, you have to slide the camera switch to enable and disable the camera.
Step 11) Sometimes camera is disabled in BIOS, so go to the system BIOS and make sure camera is enabled in the BIOS.
Step 12) Update Windows 10
Step 13) Perform System Restore
Step 14) Reset your PC- This will result in data loss so backup your data before reset.
Step 15) Run hardware test and contact system manufacturer
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