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Laptop screen does not work when plugged into projector

When we hook the laptop upto the projector the laptop screen does not work but it shows up on the projector. i want it to show up on both devices

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  • tevero410 Nov 27, 2008

    i've tried pressing fn and f3-f12 and it still doesn't work.

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If you connect a laptop projector or external monitor before you boot up your laptop, the video most likely will go directly to that external device. To have both the laptop LCD and projector you will need to press the Function key that has the monitor/laptop symbole (this key will be a dual function key and you will need to press the Fn key first and then the Function key with the monitor/laptop symbole. This Function can be any key between F3 and F12, it depends on the brand of the laptop.
When you press this key it will toggle between
LCD only
External monitor/projector only
or both LCD and external monitor/projector

Posted on Nov 27, 2008

  • Chris Hingee
    Chris Hingee Nov 27, 2008

    Can you identify the function key that controls the LCD and the external video output? If not consult the manual or go to the manufacturer's WEB site to download the manual/function key info.

    Try booting up the laptop first then connect the projector to the external video output and press the function that controls the LCD and external video output to switch between the LCD and projector.

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