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Multiple mornitors


I have two external Dell monitors for my laptop e6440 which is connected to a docking station. Somehow it keeps showing that it has three monitors under the Display although it only has two connected. My question is how do I get rid of the third one?

Thanks a lot!
2 Solutions
Go to device manager and delete the unwanted monitor.
Paul MacDonaldDirector, Information SystemsCommented:
Alternately, if you're running Windows, you can bring up the display properties, right-click on the non-existent display, and tell Windows not to use it, if it seems to be causing you problems.  If it shows up in the list, but isn't active, you needn't worry about it.
ShawyenAuthor Commented:
I will try it and let you know. Thanks a lot!
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ShawyenAuthor Commented:
Can I just make the third one (unwanted one) gray out?
Joe Winograd, EE MVE 2015&2016DeveloperCommented:
It shows three because the laptop screen itself counts as a display. You should not remove it from the configuration, but you can disconnect it so that it isn't being used. You do that via Control Panel>Display>Change Display Settings, then select "Disconnect this display" in the "Multiple displays:" drop-down:

disconnect display
Regards, Joe
ShawyenAuthor Commented:
Ok. I got it. I will try and let you know.
Paul MacDonaldDirector, Information SystemsCommented:
^ Exactly what I'm saying.  Present, but unused, it won't cause you any problems.

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