What connection for the video projector?

Quel branchement pour le vidéo projecteur ?

Complete guide to optimal connection of your video projector

Video projectors are versatile devices that can transform your living room into an immersive cinema room. However, to fully benefit from this experience, it is crucial to understand the different types of hookups and choose the best option based on your needs. In this article, we'll explore the essentials of hooking up a projector to ensure optimal picture quality.

1. Choice of video projector:

Before diving into the details of connections, it's important to choose the projector that best suits your needs. Projectors can vary in technology (DLP, LCD, LED), resolution, brightness and contrast ratio. Take the time to understand these characteristics to select the video projector that best meets your expectations.

2. Projector connections:

Modern projectors offer a variety of ports for connecting to various devices. The most common connections include HDMI, VGA, USB, and sometimes DisplayPort. Here is an overview of these options:

  • HDMI: This is the most common connection and provides high quality transmission for sound and image. Make sure your source devices, such as computers, Blu-ray players, or game consoles, have HDMI ports.

  • VGA: Although increasingly obsolete, VGA remains an option for older equipment. However, the image quality may be lower than that of HDMI.

  • USB: Some video projectors allow you to play multimedia files directly from a USB key. This is a convenient option for presentations or photo distribution.

3. Basic configuration:

Once you've chosen your projector and identified the necessary ports, it's time to move on to the basic setup. Follow these simple steps to ensure proper installation:

  • Place the projector at an appropriate distance from the screen or wall.
  • Connect the projector to a power source.
  • Connect the appropriate cables between the projector and your source devices.
  • Turn on the projector and follow the menu instructions to make initial settings.

4. Installation of video sources:

Each source device may require a specific connection type. Here's how to connect some of the most common devices:

  • Computer: Use an HDMI cable to connect the computer to the projector. Make sure the computer screen output is set to the projector.

  • Blu-ray player: Use an HDMI cable for high-definition picture quality. Also make sure the Blu-ray player is configured for HDMI output.

  • Game console: Modern consoles generally use HDMI. Simply connect the console to the projector for an immersive gaming experience.

5. Advanced use:

To take full advantage of your video projector, explore advanced features such as keystone correction to adjust the image, color management for more precise renderings, and calibration according to the lighting environment. Refer to the projector manual for detailed instructions on these features.


In conclusion, hooking up a projector may seem complex at first, but by understanding the basics and choosing the appropriate connections, you can create a great viewing experience. Take the time to read the user manuals, explore the advanced features and take full advantage of your video projector for unforgettable moments of entertainment.

Reading next

Qu'est qu'un video projecteur 4K ?
Quels vidéoprojecteurs courte focale choisir ?