Body
Objective
- To provide general instruction on troubleshooting a classroom projection system
User & Environment
- Faculty, Instructor, Student
- Classroom
Equipment
- Standard technology package
- Projection system
Procedures
Control Panel: No display or unresponsive
- Tap the center of the touch screen to wake
- If the panel does not wake, or the buttons do not control the system, dial 9-7900 on the room phone, and then press 9
Projector: Does not project when HDMI source is selected
- Unplug the HDMI cable
- Plug it back in
- Set computer resolution to 1920x1080
- Duplicate or mirror your display
Projector: Blank screen or no signal
- Check the control panel
- Press the Picture Mute button on the control panel to toggle on
- Check the resident PC
- Wake the PC by moving the mouse or pressing keys on the keyboard
- Verify the PC is on inside the left-hand cabinet door, press the top-left power button on the computer
- Check the document camera
- Press and hold the Power button — the light should turn blue when powered on
- Check the laptop or other device
- Disconnect and reconnect the VGA or HDMI cable, and then press the corresponding button on the control panel
- Restart the device with the VGA or HDMI cable connected
- Adjust your device's display resolution to be 1920 x 1080 or lower
Multiple Projectors: Blank screen or no signal
If you still have an issue with any projector in the room after checking items 2, 3, and 4 above, try the following:
- Check the power state (on or off) of each projector — all projectors (except short throw projectors) should power on with the system by default
- If any ceiling-mounted projectors have no signal or are powered off (status light on projector is red), enter the Advanced Projector Options on the touch panel
- In Advanced Projector Options, check the following:
- Make sure the power is on for each projector (image label #1)
- Make sure you have selected an input to render, or send to each projector (image label #2)
- Make sure you have NOT muted the picture to any of the projectors unless desired (image label #3)
Sound: No audio
- Check the control panel
- Press and hold the Volume Up button while audio is playing
- Check the resident PC
- Verify the sound is not muted or turned down on the computer itself
- Check the laptop or other device
- HDMI: In the control panel or system preferences on your device, choose Crestron or HDMI Audio for your audio output
Notes
- Always test technology and media before attempting to use it during a live class
- Log off or restart the resident PC when you have finished using the equipment — do not shut down
- Do not leave a projector in Picture Mute mode when you leave the room
- Power-down the projection system when you have finished using the equipment
- If you need immediate help, locate the phone in the room, dial 9-7900, and then press 9