Your laptop is configured this way by default.
It happens because the laptop goes into a power-saving mode when the lid is closed.
This will let you continue to use the other monitor.
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Open Control Paneland go toHardware and Sound>Power Options.
SelectChoose what closing the lid does.
Find the drop-down menu under thePlugged incolumn and in theWhen I terminate the lidrow.
Now, your monitor will remain on when you terminate the laptop.
This usually isn’t a problem for most people.
Our advice is to select ‘Do nothing’ only for the ‘Plugged in’ option.
Go toSettings>System>Displayto adjust the video prefs for each display.
Toclean your rig monitor, power down the equipment and wipe gently using a soft, dry cloth.
