ClassTech / Connect a laptop with cables


  • To provide instruction on using cables to connect a laptop to a classroom technology package

User & Environment

  • Faculty, Instructor, Student
  • Classroom


  • Laptop
  • Cables
  • Standard technology package


  1. Locate the cable connectors under the control panel

    Image of teacher's station with control panel and cable connectors indicated
  2. Connect your device with either HDMI (preferred) or VGA—do NOT connect both at the same time
    Note for VGA only: For sound, connect the attached 3.5 mm audio cable to your device headphone port 

    Image of VGA cable connector (left) and HDMI cable connector (right)
  3. With the projection system on, locate and press Laptop on the control panel
  4. On the control panel, press 15 Pin VGA or HDMI, according to the type of cable you plugged into your device.


Troubleshooting: Blank Screen or No Signal

  1. Toggle Device Output:
    • Windows: Press + P on your keyboard, and then select Duplicate
    • Mac: Open System Preferences, choose Displays, then click Detect Displays
  2. Restart Device: Restart your laptop or tablet with the display cable still connected.
  3. Toggle Picture Mute: Press the PICTURE MUTE button on the control panel



  • This room includes both VGA and HDMI connectors
  • Certain laptops or tablets may require adapters, which are not provided
  • Power-down the projection system when you are finished using the equipment
  • Something not working? Review our troubleshooting guide for a projection system to learn about all the little things you should check before you panic
  • If you need immediate help, locate the phone in the room, dial 9-7900, and then press 9



Article ID: 18344
Mon 11/14/16 11:35 AM
Tue 9/21/21 6:59 AM
Can you resolve this issue yourself?
Yes! This is self-service with a smile.
Supported Office or Community
University Community of Students, Staff, and Faculty