>>>Hello all
>>>
>>>I have an external monitor hooked up to my laptop via HDMI.
>>>
>>>When I fold my laptop, the external monitor shuts down too.
>>>
>>>How do I set it up so that the external monitor stays on?
>>>
>>>My OS is Windows 10 Home.
>>>
>>>thanks in advance.
>>
>>Do you want to continue using your laptop with the lid closed? If not, I think you must check the monitor manual.
>
>Yes. I want the laptop to be in use.
>
>Thanks

In Windows, go to Control Panel->Hardware and Sound->Power Options->Change what the power button do. Under When I close the lid, you can select Do nothing.