log on

log on

1. To access a digital account or network, typically by entering personal credentials; to log in. I'm having trouble logging on to my computer, so I haven't had a chance to check my email yet.
2. To allow someone to digital account or network; to log someone in. In this usage, a noun or pronoun can be used between "log" and "on." I've having trouble accessing my account from home—any chance IT can log me on remotely?
See also: log, on
Farlex Dictionary of Idioms.

log someone on (to something)

to allow someone to link (electronically) to a computer system. (This action may be recorded, or logged, automatically in the computer's memory.) I will log you on to the system if you forgot how to do it. I will log on Jill, who is late.
See also: log, on

log on

to begin to use a computer system, as by entering a password, etc. (This action may be recorded, or logged, automatically in the computer's memory.) What time did you log on to the system this morning? I always log on before I get my first cup of coffee.
See also: log, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

log on

v.
To provide the necessary information to a computer for someone to be allowed to access computer resources: Let me log you on so that you can access the files yourself. You can't use this program until you log on.
See also: log, on
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • log in
  • log into
  • log off
  • any (one) worth (one's) salt
  • keel over
  • like a bump on a log
  • young man
  • walk it off
  • walk off
  • easy as A, B, C