1. The 30-Second Quick Fix Checklist Before changing advanced settings, try these immediate fixes:
Restart & Rejoin: Restart your device and rejoin the session immediately.
Close background apps: Completely shut down any applications that might be hijacking your hardware (Zoom, Microsoft Teams, Skype, Discord).
Check Browser Permissions: Click the padlock icon in your browser's address bar (next to the URL) and set access to Camera and Microphone to "Allow".
Incognito Mode: Try opening the session in a Private/Incognito window. This automatically disables extensions like AdBlockers, VPNs, or antivirus add-ons that might block the stream.
Bluetooth Check: If using wireless headphones, ensure they are connected to your computer and haven't accidentally paired with your phone.
Physical Buttons: Check if your laptop has a physical camera shutter closed, or if your headset cable has a manual "Mute" switch turned on.
2. Browser & Classroom Settings
Supported Browsers: Use Google Chrome or Microsoft Edge only (other browsers are not supported).
In-App Settings: Open the classroom settings by clicking the grey cogwheel icon in the bottom-left corner to verify that the correct camera, microphone, and headset are selected.
System Permissions: Check your OS (Windows/Mac) privacy settings to confirm that Google Chrome or Microsoft Edge has permission to access your hardware.
3. Advanced Troubleshooting If the basics fail, try these advanced steps:
Turn off Hardware Acceleration (Black Screen fix): Go to your browser settings (Chrome/Edge) -> System -> Turn off "Use hardware acceleration when available" and relaunch.
Disable Exclusive Mode (Windows Audio fix): Go to Windows Sound Control Panel -> Recording -> Microphone Properties -> Advanced -> Uncheck "Allow applications to take exclusive control of this device".
Switch to Mobile Hotspot: If your home Wi-Fi is unstable, quickly switch to your phone's mobile hotspot to restore the connection.
4. Hardware & Network Diagnostics If the issue persists, run these quick diagnostics and send a screenshot of the results to our support chat:
System & Room Setup Check:
https://edu.fluentbe.com/en/setupServer Connection Test:
https://network-test-v2.daily.co/Microphone Test:
https://mictests.com/Camera Test:
https://webcamtests.com/Internet Speed Test:
https://www.speedtest.net/
5. Copy-Paste Templates for Your Student
Use these ready-made messages to guide your student through the chat:
PL: "Spróbuj odświeżyć stronę lub zamknąć i otworzyć przeglądarkę ponownie." / ENG: "Please try refreshing the page or restarting your browser."
PL: "Upewnij się, że inne aplikacje (Zoom, Teams, Skype) są całkowicie wyłączone." / ENG: "Please make sure apps like Zoom, Teams, or Skype are completely closed."
PL: "Spróbuj skopiować link do lekcji i otworzyć go w trybie Incognito." / ENG: "Please copy the lesson link and open it in an Incognito/Private window."
6. System Downtime & Emergency Backup If there is a global platform issue, try the following steps:
Wait 5 minutes, then try to refresh the page once.
If the class still doesn't launch, wait another 3-4 minutes and try refreshing one more time. Important: Please avoid constantly refreshing the page as this can overload the system and delay the recovery process.
If absolutely none of these steps work and you cannot conduct the class, please instruct your students to contact our hotline immediately at: +48 22 104 41 12.