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Related to boot up: boost up
To turn on a computer. A noun or pronoun can be used between "boot" and "up" I think something is wrong with my computer—it's taking a really long time to boot up.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
boot something up
to start up a computer. She booted her computer up and started writing. Please go boot up your computer so we can get started.
[of a computer] to begin operating; to start up one's computer. He turned on the computer and it booted up. Try to boot up again and see what happens.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Start a computer, as in When you've booted up, it's best not to turn off the computer until you're done for the day . The term, dating from the late 1970s, was a shortening of bootstrap, another computer idiom referring to using one set of instructions to load another set of instructions. Also see log in.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. To cause some computer or similar device to start working and and prepare for operation: This program will boot up your disk drive automatically. My computer is so badly damaged that I can't even boot it up.
2. To start working and prepare for operation. Used of computers and related devices: My new computer boots up in less than 30 seconds.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.