Troubleshoot camera and booth issues

Fix common camera permission, missing device, loading, and stale-content problems.

Event Day Operations
Written forOn-site staff

Most booth issues come from camera permissions, browser support, network instability, or unpublished dashboard changes. Start with the device, then confirm the live experience state.

Steps

First moves at the booth

  1. 1Refresh the booth page and allow camera access if prompted.
  2. 2Check the browser site settings if the camera was blocked earlier.
  3. 3Confirm the camera is not being used by another app or tab. On a laptop, fully close video apps like Zoom, Teams, or Skype. The booth works best when the browser is the only program using the camera.
  4. 4Turn off VPNs and ad blockers. They can silently block camera permission requests even on safe sites.
  5. 5Try another supported browser or device if the camera list is empty.

If the problem continues

  • Leave kiosk or Guided Access mode while changing camera, browser, or network settings.
  • If the page is blocked or slow, check the event network and firewall rules.
  • If the booth content is wrong, confirm the latest dashboard changes were published.
  • If capture works but results do not appear, check Submissions for missing or hidden items.

What to know

  • Camera permission can stay blocked after the first denial.Change the browser site permission instead of reloading repeatedly.
    • Chrome: open the icon beside the address bar, then allow Camera for the booth site.
    • Safari on iPad or iPhone: open Settings, Safari, Camera, then allow access for websites.
    • After changing permissions, refresh the booth page and choose the camera again.
  • Guest phones should use the real browser.In-app browsers can block camera access even when the booth link is correct.
    • If the link opened from Instagram, LinkedIn, Slack, or another app, copy it into Safari or Chrome.
    • If a QR scan opens an app preview, use the browser option before testing again.
  • Private windows are useful for a clean test.Use Command Shift N on Mac or Ctrl Shift N on Windows to start with a fresh cache and a new camera permission prompt.
  • Operating system permissions can block the browser.
    • Windows: open Settings, Privacy, Camera, then allow camera access for the browser.
    • Mac: open System Settings, Privacy and Security, Camera, then allow the browser.
  • Webcam utilities can take over the default camera.Logi Capture and similar apps can prevent the browser from reaching the physical camera.
    • Quit video utilities and meeting apps completely.
    • Restart the computer if the camera still does not appear.
    • In Chrome site settings, select the physical camera from the camera list.
  • Network problems usually show up after capture.Weak Wi-Fi can break uploads or result delivery even when the booth screen loads.
    • Test on the same network guests will use.
    • Ask venue IT to check firewall rules, captive portals, and device management profiles if uploads stall or results never arrive.

Tips

  • Keep a known-good test device nearby so staff can separate device issues from experience configuration issues.
  • For kiosks, test after the device enters the exact kiosk or full-screen mode used at the event.

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