Connect a laptop to a projector

Mobile or small projectors have the advantage that they can be set up and used anywhere. This is especially useful when giving a presentation, showing photos to family and friends, or just want to enjoy movies and series on the laptop.

HDMI as projector standard

While video projectors were once equipped with a whole battery of audio-video connections, HDMI has now become the standard. Therefore, usually only one HDMI connector is installed, via which all external devices can be connected.

Do I need an adapter to connect my laptop to the projector?

Depending on the connectors installed on your laptop, you may need a video adapter. Here are some ports found on common laptops:

  • HDMI port: The classic video connection used by almost all televisions, monitors and game consoles. If this connection is installed, you only need an HDMI cable.
  • Mini HDMI connector: The reduced version is mainly found in very small laptops. Here you need a mini HDMI to HDMI adapter.
  • Micro-HDMI connector: The smallest version of HDMI, found only in a few laptops. Single board computers like the Raspberry Pi 4 and Pi 400 depend on it.
  • DisplayPort: This connection is mainly found on desktop computers, rarely on laptops. In that case, it is a question of more expensive models. A Displayport to HDMI cable can help you if you want to connect your laptop to the projector.
  • USB-C: Replaces the HDMI connection in many compact laptops. A USB-C to HDMI cable or matching adapter ensures that you get the video signal to the projector.
  • VGA: The ancestor of video connections. Arg limits the resolution, which is often a maximum of 1024 by 768 pixels. A VGA to HDMI adapter passes the video signal, but there is no sound.
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The six most common video connections at a glance. (With material from Wiki Commons)

How to connect your laptop

If you have the correct cable or adapter ready, follow these steps to connect your laptop to the projector.

  1. Turn on your laptop.
  2. Plug the correct video cable or adapter into your laptop.
  3. Connect the other end of the cable to your projector.
  4. Switch on the projector – and wait until both devices have found each other.
  5. If necessary, switch to the HDMI source. Xgimi has its own icon for it on the Android dashboard, while Samsung uses a separate tile under Tizen.

How to control what the projector displays in Windows

In Windows, you can decide what the connected laptop sends to the projector. pressure [Windows-Taste]+P to show the exit menu.

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The projection menu in Windows 11 is anchored to the right – it can also be found in Windows 10.

The different options presented here are simple and easy to explain:

  • PC screen only: Temporarily disables the connection to the projector so you can edit slides for, for example, your PowerPoint without others seeing it.
  • Duplicate: Mirrors screen content 1:1 – there are exceptions such as PowerPoint, which continues to display the normal screen on your computer so you can read notes on it.
  • Extend: Adds the projector as a second screen, doubling the desktop space to work.
  • Second screen only: Turns off the computer screen and only displays the content on the projector.

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