How to Connect a Laptop to a NEC LCD Projector

Written by larry simmons
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How to Connect a Laptop to a NEC LCD Projector
Connect your laptop to a projector for increased screen space. (projector ready for presentation image by Dmitry Goygel-Sokol from

NEC manufactures their LCD projectors with compute connectivity in mind. Thanks to an included computer-in VGA port, you can connect your laptop directly to the projector. After connection, adding the projector to your Laptop's display system as a second display allows you to use the projector as a presentation device capable of picture sizes of up to 300-inches. In addition, many of NEC's LCD projectors come equipped with an amplified speaker that will accept audio directly from your laptop, increasing a laptop's often small audio capability to room-filling capacity.

Skill level:

Things you need

  • VGA monitor cable
  • 3.5mm audio cable
  • Display driver

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  1. 1

    Connect a VGA monitor cable to the VGA out of your laptop computer. Secure the cable in place using the two mounting screws on the sides of the cable connector. Connect and secure the other end of the monitor cable to the Computer In port of your NEC LCD projector.

  2. 2

    Plug the 3.5mm speaker cord jack into the speakers output of your laptop. Plug the other end of the cord into the Audio In port of the projector.

  3. 3

    Remove the lens cover from the projector and then press the power button to turn the projector on. Wait for the green power indicator light to start to show that the projector is ready for use.

  4. 4

    Turn on the power to your laptop and wait for the system to boot up to the desktop.

  5. 5

    Press the "Source" button on the projector and then use the arrow keys on the projector to highlight "Computer" in the source menu. Press the "Exit" button to save your selection.

  6. 6

    Wait for your operating system to detect the projector as an additional monitor. If your system does not detect then monitor, then detect the projector manually by clicking on the "Start" button and selecting the "Control Panel". Select "Add a Device" under the Hardware and Sound section and follow the device installation instructions for installing a driver to recognise the projector. Download display drivers specific to your LCD model from NEC's website, located in the technical support section under "Products".

  7. 7

    Right-click on a blank spot of your desktop and choose "Screen Resolution." Select "Duplicate these displays" to clone your desktop onto the projector, projecting the same image as that shown on your laptop screen, or select "Extend these displays" to add the projector screen as additional desktop space. Press the "Keep Changes" button to confirm the display choice. Then press "OK" to save the new settings. Use the projector as a display by moving an object across your desktop to the projector space using the mouse.

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