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chore(osx): prevent m-cpu laptops from turning on on lid open or power connect

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Michele Cereda
2025-02-01 16:27:38 +01:00
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knowledge base/mac os x/README.md
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@@ -4,6 +4,7 @@
1. [Taking screenshots](#taking-screenshots)
1. [Record the screen](#record-the-screen)
1. [Hidden settings](#hidden-settings)
1. [Prevent Apple silicon laptops from turning on when opening their lid or connecting to power](#prevent-apple-silicon-laptops-from-turning-on-when-opening-their-lid-or-connecting-to-power)
1. [Image manipulation](#image-manipulation)
1. [Resize PDF files](#resize-pdf-files)
1. [Manage tags](#manage-tags)
@@ -208,6 +209,44 @@ Use Quicktime Player to capture an area or the full screen by opening the applic
See the [`defaults`][defaults] command.
### Prevent Apple silicon laptops from turning on when opening their lid or connecting to power
Mac laptops with Apple silicon automatically turn on and start up when one opens their lid or connects them to power.
From macOS Sequoia 15, one can change this behavior.<br/>
This will **not** affect one's ability to use the keyboard or trackpad to turn on the Mac.
<details style="padding: 0 0 0 1em">
<summary>Prevent startup when opening the lid or connecting to power</summary>
```sh
sudo nvram BootPreference=%00
```
</details>
<details style="padding: 0 0 0 1em">
<summary>Prevent startup only when opening the lid</summary>
```sh
sudo nvram BootPreference=%01
```
</details>
<details style="padding: 0 0 1em 1em">
<summary>Prevent startup only when connecting to power</summary>
```sh
sudo nvram BootPreference=%02
```
</details>
Undo any of the previous commands and reenable automatic startup when opening the lid or connecting to power:
```sh
sudo nvram -d BootPreference
```
## Image manipulation
Use Preview to perform basic image manipulation through the GUI.<br/>
@@ -545,6 +584,7 @@ your Mac, or after your Mac begins to restart. Keep holding until the described
- [Remap Home and End Keys?]
- [trusktr's default keybindings]
- [Improve docker volume performance on MacOS with a RAM disk]
- [Prevent a Mac laptop from turning on when opening its lid or connecting to power]
<!--
Reference
@@ -568,6 +608,7 @@ your Mac, or after your Mac begins to restart. Keep holding until the described
<!-- Upstream -->
[compress a pdf in preview on mac]: https://support.apple.com/guide/preview/compress-a-pdf-prvw1509/mac
[mac startup key combinations]: https://support.apple.com/en-us/HT201255
[prevent a mac laptop from turning on when opening its lid or connecting to power]: https://support.apple.com/en-us/120622
[resize, rotate, or flip an image in preview on mac]: https://support.apple.com/guide/preview/resize-rotate-or-flip-an-image-prvw2015/11.0/mac/13.0
<!-- Others -->