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Is it possible to disable the VGA port on a system, or otherwise prevent projectors and external monitors from being used? on windows 7 I want my laptop to prevent it from or deny if VGA cord is tried to connect to my laptop vga port. is any software or codes available, I am interested in develop such software. plz guide me

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    What's your usecase? Why do you want to disable the port? Oct 28, 2015 at 7:57
  • Also, what kind of hardware and OS are we talking about here? Remember to edit your question with the additional information. Oct 28, 2015 at 8:08
  • windows 7 ,I want my laptop to prevent itself or deny if VGA cord is tried to connect to my laptop vga port. is any software or codes available, I am interested in develop such software. plz guide me Oct 28, 2015 at 15:00
  • is it possible ? Oct 28, 2015 at 15:08
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    You still haven’t provided the reason. “I don’t want it” is not a reason. And no, it’s most likely not possible.
    – Daniel B
    Oct 28, 2015 at 15:12

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I know multiple ways to do this:

  1. Right click anywhere on the desktop, select graphics options, --> Output to --> Intel Dual Display clone --> Notebook+Monitor --> turn off the external display prior to disconnecting cable --> Select Graphic options, Output to, Notebook.

  2. Start >> Control Panel; then look for Graphics Properties

  3. You may have a monitor icon on the lower right side of your screen. Right-click on this icon to see what options are available. Or left double-click to quicky access your Graphics Properties. If you have Intel graphics, you may be able to quickly access your Graphics Properties with the following hot-key combination: CTRL+ALT+F12.

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  • Not everyone's control panel has an item called "Graphics Properties". "Display" and "Device Manager" on the other hand are universal to Windows XP through to Windows 10.
    – Tmanok
    Mar 20, 2018 at 23:24

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