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Teaching space troubleshooting

Teaching space troubleshooting

Please choose the option that matches your issue

Symptoms

Laptop shows desktop, but projector shows black/blank
Projector shows only wallpaper/blue screen
Content only appears on one screen

Fix

On the keyboard press Windows + P
Select:
- Duplicate → Same image on both screens
- Extend → Separate desktop

Teaching rooms work best on Duplicate.

Checklist

Is the projector turned on?
Is the correct source selected?
Is the HDMI cable fully inserted?
Is the lectern powered on at the wall?

Fix

Press PC or Laptop/HDMI on the control panel depending on how you are connecting.
Restart:
- Turn projector off → wait 10 sec → on
- Or power‑cycle lectern (off at wall → 20 sec → on)

Try the following steps:

Re-seat HDMI cable firmly
On laptop press:
- Windows + P → Select Duplicate
Restart laptop with HDMI connected

Checklist

Is the projector on?
Is volume up on:

Control panel dial
Laptop
Application (YouTube/PowerPoint/etc.)

Is the channel muted?

Fix

Press the volume dial — this un-mutes the system.
Select PC or Laptop to ensure correct audio routing.

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