boot up (to) [exp]

Meaning:

• When a computer starts and the operating system appears and gets ready to work we say that it boots up.

Examples:

1. Before booting up, I have to choose the Operating System, because I have installed two Operating system on my PC, A Linux Ubuntu and Windows 10.
2. After booting up, the Antivirus notifies me that the new update is needed.
3. After the update, it took a few minutes for my computer to boot up.
4. I need to boot up my laptop before the meeting starts.