boot up
To turn on a computer and wait for it to be ready.
Meanings
To turn on a computer or device and allow the operating system to load fully.
"Give me a moment — I just need to boot up my laptop and open the file."
(Of a computer or system) To complete the start-up process and become ready for use.
"The new solid-state drive means the computer boots up in under five seconds."
Standard everyday computing vocabulary, widely understood by all English speakers. Can be transitive ('boot up the computer') or intransitive ('the computer is booting up'). 'Boot' alone is also commonly used. The term comes from the computing metaphor of pulling oneself up 'by the bootstraps', referring to the self-loading process of an operating system.
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Forms
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