Modified on: 2-27-26
MacBook to Classroom AV Connection Guide
Quick Reference for Faculty
Requirements
Modern MacBooks use USB-C ports (small, oval-shaped ports on the sides). You'll use a USB-C (blue) or HDMI (orange)(with adapter) cable, located on top of the lectern, to connect to classroom projectors.
USB-C PORTS
Look for small, oval-shaped ports on the left/right sides of your MacBook
Any USB-C port works for video!
⚠️ Users are responsible for bringing adapters!⚠️
Instructions
MacBook → HDMI (with adapter) or USB-C Cable → Projector
- Plug the USB-C or HDMI (with adapter) cable into any USB-C port on your MacBook
- Using the touch panel, turn on the projector and select the correct USB-C or HDMI input if needed
Mirror Your Display
To display the same content on your laptop and the projector:
Quick Method: Press ⌘ (Command) + Space Bar to access Spotlight Search→ Type “Displays” → Use as “Mirror for Generic_HDMI”
Manual Method: Apple menu → System Settings → Displays → Use as “Mirror for Generic_HDMI”
Select Audio Output
To play audio through classroom speakers:
Quick Method: Press ⌘ (Command) + Space Bar to access Spotlight Search → Type “Sound” → Output → Select "Generic_HDMI” or “AV System”
Manual Method: Apple menu → System Settings → Sound → Output → Select “Generic_HDMI” or “AV System”
⚠️ Always test audio before class starts!⚠️
Quick Troubleshooting
No picture?
- Ensure all connections are secure
- Verify projector is on
- Select the correct HDMI or USB-C input on the touch panel
- Try mirroring displays
No sound?
- Confirm “AV System", “Extron” or the connected display device is the selected audio output (click speaker icon)
- Check classroom volume is up on touch panel
- Ensure audio is not muted on your laptop
Display issues?
- Try a different port (HDMI vs USB-C)
- Disconnect and reconnect cable
- Restart your device while connected to the AV system
Quick Reference
SETUP CHECKLIST
1. Connect USB-C or HDMI (with adapter) cable to MacBook
2. Turn on projector
3. Mirror display
4. Select sound output
5. Test audio
Experiencing an issue or need additional classroom support?
More information
Learning Spaces Articles
UTS Website