Keep laptop screen on when lid is closed why won't it work anymore ?

Discussion in 'Windows OS and Software' started by max22, Sep 21, 2018.

  1. max22

    max22 Notebook Enthusiast

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    I did select the options to do this but they don't seem to work anymore :( Anyone else having problems ? Thanks. Any fix ?

    Reason I want this is because I remote connect to this laptop sometimes and don't want to keep the laptop open all the time. Thanks. Without the screen open remote connect won't work. It use to work fine before a windows update it seems.
     
  2. XiCynx

    XiCynx Notebook Consultant

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    In Teamviewer have to tried installing the Display Driver they offer?

    Teamviewer >> Tools >> Options >> Advanced >> Advanced Network Settings >> Install Display Driver

    This should allow Teamviewer to essentially show the monitor even though the picture isn't being generated by the GPU.
    I don't think it is supposed to work like this but this was one of the only things I could find regarding this topic in particular.
    If not, you'll have to find some way to generate a fake display so when the monitor is closed the GPU is still rendering a virtual display Teamviewer can see.
     
  3. StormJumper

    StormJumper Notebook Virtuoso

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    What laptop are we talking about? So unless you have a docking station for the laptop that is how you can use it closed. Also you should contact the manufacture and ask them about this feature as not everyone laptop functions the same way.
     
  4. t456

    t456 1977-09-05, 12:56:00 UTC Moderator

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    You could also resort to a hardware fix, if you want. It's 100% guaranteed to work and regardless of whatever OS, updates, drivers or settings. Disadvantage is that the backlight will always be powered, so battery run-time will suffer a bit. If that is not an issue then unclip the bezel from the lid and remove the little magnet tucked somewhere against its back:

    [​IMG]

    The sensor that determines whether the lid is open or closed is a reed switch and is often located on the power-button board, hence it's so close to my laptop's power button, but it might be located anywhere along the edge of the bezel. Without that magnet the proximity sensor won't be triggered anymore and as far as the system is concerned the lid is always open.

    Using a related method you can trick the system into thinking it's closed while it's really still opened; take the magnet (or one from the refrigerator) and hover it closely over the edge of the laptop, along the opposite side of the bezel's edge. It's pretty funny to watch it function and you can also find out how hard it is to spot the difference between a 'dead' display and a defective or disabled backlight; lid-close only turns off the backlight, but not the lcd itself. Keep the magnet over the sensor and the screen appears pretty much black-black, but shine a flashlight on it and suddenly your lcd image is visible again.
     
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