> For the complete documentation index, see [llms.txt](https://tule-developer.gitbook.io/noway/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tule-developer.gitbook.io/noway/_docs/macos.md).

# MacOS

## **Turn off built-in monitor display when connected with external monitor**

There are noway to actually turn off  built-in monitor. But we can \
\- Make it minor with a external monitor \
\- Reduce the built-in brightness to 0 so we can ignore it.\
\
Steps:

* Open displays menu in settings
* Choose `Agreement` tab
* Hold `option` key, and drag drop built-in monitor icon to a external displays. After drop you will see they are minors 
* Choose `Display` tab, choose the resolution of the minored external monitor
* Reduce the built-in brightness to 0
* Done

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