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During attendee onboarding, you may need to scan a QR code displayed on your laptop or desktop (primary device), to connect your mobile phone as a secondary camera. This article helps attendees resolve QR code scanning issues when setting up their secondary device.

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🔎 Troubleshooting Common Issues

What might be wrongHow to fix it
Mobile camera lens is dirty or smudgedClean the camera lens using a soft, lint-free cloth to remove dust or fingerprints.
Primary device screen brightness is too lowIncrease the brightness on your laptop or desktop so the QR code is clearly visible.
Poor lighting in your environmentEnsure the room is well lit so your mobile camera can capture the QR code clearly.
QR scanning is disabled in the camera appOpen your phone’s camera settings and enable the QR code scanning option.
Mobile camera is not focusingHold your phone steady about 6–8 inches from the screen and allow it to auto-focus.
Another app is using the mobile cameraClose background apps that may be accessing the camera (for example, video calling apps).
QR code is blurred or obstructedMake sure the QR code is fully visible, unobstructed, and the screen is not damaged.
Device does not support built-in QR scanningInstall a trusted third-party QR code scanner app from your app store.
Additional Tips:
  • Restart your mobile device if the issue persists, as this can resolve temporary software glitches affecting the camera functionality.
  • Use landscape mode when positioning your phone after scanning to provide a wider viewing angle for the secondary camera feed.
  • If the issue continues after troubleshooting, try switching to a different mobile device and attempt the QR code scan again to determine if the problem is device specific.