My external monitor is not working
Cnetso school IT support guide
External monitor not working
Use this guide if your screen, monitor, or display is blank.
Image placeholder: Windows display projection menu.
- Check the monitor is switched on.
- Check the HDMI, DisplayPort, or USB-C cable is connected.
- Press Windows + P.
- Choose Duplicate or Extend.
- Restart the laptop if needed.
If it still fails, raise a ticket with your room/location and a photo of the connections.
Tip: When raising a ticket, include your school, room/location, device name and a screenshot of any error message.
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