Connection problem with the second monitor, macbook pro 2014, OSX El Capitan

There are a few threads describing problems with two monitors, but I have not found a match.

I like for the operating system ask login password once the lid is closed, no matter how much time has passed (even for a moment). Also, I work with a dual monitor. However, when my macbook is plugged into the monitor and I close the lid, the macbook don't disconnect but spends just primary monitors. Understand that this could be a feature and not a bug, I tried to unplug the monitor before closing the lid. But the OS seems not to realize that the monitor has been disconnected, and when I close the lid he didn't ask me for my password once that I reopen it. Does it also if I wait a bit (i.e. one minute) after disconnecting the monitor, but not if I wait a while (or 15 minutes), well that I've not enough highlighted how long is necessary so that it starts locking on my closing the lid. He does it with different monitors, so I doubt that it depends on the particular monitor. In both cases, I used the HDMI port.

This is quite annoying, because I need to be able to disconnect safely in a short period of time, and I was not able to find a workaround on mine. Everyone knows this? Thank you for any help or advice.

Emilio

You might have invoked indevrtantly this obscure 'functionality' of MacOS. Read the article and see if you do these things:

Use your Mac laptop to view closed with an external display - Apple Support

.

Tags: Notebooks

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