Dell Laptop to Classroom AV Connection Guide: Quick Reference for Faculty

Modified on: 2-27-26

Dell Laptop to Classroom AV Connection Guide

Quick Reference for Faculty

Requirements

Modern Dell laptops (like the Latitude 7440) typically include HDMI ports and/or USB-C ports. You'll use an HDMI (orange) or USB-C (blue) cable, located on top of the lectern, to connect to classroom projectors.

DELL LAPTOP PORTS

Look for ports on the left/right sides of your Dell laptop

• HDMI Port: Trapezoid-shaped port

• USB-C Ports: Small, oval-shaped ports

Instructions

Dell Laptop → HDMI or USB-C Cable → Projector

1. Connect the HDMI or USB-C cable to the appropriate port on your Dell laptop
2. Using the touch panel, turn on the projector and select the correct HDMI or USB-C input if necessary

Mirror Your Display

To display the same content on your laptop and the projector:

Quick Method: Press Windows Key + P to open projection options

• Duplicate: Shows the same content on both screens (recommended for presentations)

Manual Method: Right-click on the desktop → Display settings → Multiple displays → Select “Duplicate”

Select Audio Output

To play audio through classroom speakers:

Quick Method: Click the speaker icon in the system tray → Click the arrow (>) next to the volume slider → Select "AV System”, “Extron” or the connected display device

Manual Method: Settings → System → Sound → Choose output device → Select “AV System", “Extron” or the connected display device

⚠️ 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
• Press Windows Key + P and select a display mode

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 HDMI or USB-C cable to Dell laptop

2. Turn on projector

3. Press Windows Key + P → Select "Duplicate"

4. Click volume icon → Select "AV System", “Extron” or the connected display device

5. Test audio

Experiencing an issue or need additional classroom support?

• Open a Service Request ticket to request service
• Open an Incident ticket to report an issue
• Call us at 610-519-7777, option 1

More information

Learning Spaces Articles

UTS Website