Fix Microsoft Lens Camera Black Screen When Scanning QR Codes
Question details
The user needs to resolve an issue where the camera screen turns entirely black when attempting to scan a QR code.
- Product
- Microsoft Lens
- Device & OS
- Moto G Power (2022), Android 12
- Scenario
- Attempting to scan QR codes using the Microsoft Lens application.
- Observed behavior
- The Microsoft Lens camera works fine for standard document scanning tasks but displays a completely black screen specifically when switching to QR code scanning mode.
Ensure your device's camera hardware is functioning correctly by opening the default Android camera app or another third-party application before troubleshooting.
Update the App, OS, and Verify Permissions
Resolve potential software bugs and permission conflicts by updating your system and ensuring Microsoft Lens has the correct access rights.
Camera initialization issues are frequently caused by outdated app versions or temporary glitches in the Android operating system's permission management.
Open the Google Play Store, search for Microsoft Lens, and tap the 'Update' button if a newer version is available.
Navigate to your device Settings, scroll down to System, and check for any pending System Updates for your device.
Go to Settings > Apps > Microsoft Lens > Permissions. Tap on 'Camera' and ensure the permission is set to 'Allow only while using the app'.
Report the Issue to Microsoft Support
If troubleshooting fails, reporting the specific device and OS combination helps developers release a targeted patch.
Scan QR Codes and Documents Flawlessly with WPS Office
If Microsoft Lens continues to experience bugs on your Android device, switch to WPS Office. It features a built-in, highly reliable scanner for documents and QR codes, alongside a fully compatible, lightweight suite of office tools.
- 1. Download WPS Office: Get the free WPS Office application from the Google Play Store and install it on your device.
- 2. Access the Scanner: Open WPS Office and tap the 'Scanner' icon on the home screen to activate the camera.
- 3. Scan Instantly: Point your camera at the QR code or document for instant, flawless recognition and processing.

Frequently Asked Questions
Why does Microsoft Lens show a black screen only for QR codes?
This is often caused by a software glitch where the app's specific QR recognition module fails to initialize the camera feed correctly on certain device models or Android versions.
Can I use my default Android camera to scan QR codes instead of Microsoft Lens?
Yes, most modern Android devices have native QR code scanning capabilities built directly into the default Camera app or integrated with Google Lens.
Will reinstalling Microsoft Lens fix the black camera screen?
Reinstalling can resolve corrupted app data. You can uninstall Microsoft Lens from your device settings, restart your phone, and download the latest version from the Play Store to see if it resolves the issue.




