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Active Contributor

LogMeIn Display Issues - Mac OS 11.6 (Big Sur) & 12.2 (Monterey)

After searching endlessly for a fix to this issue, I have resorted to posting what I am experiencing.


I handle LogMeIn on (let's just call it) a lot of Mac computers for our organization.


I have repetitively run into an issue with Big Sur & Monterey when remoting into a client computer that looks like the following (logos/client's name have been removed):


Screen Shot 2022-03-04 at 10.17.51.jpg


When this happens, I cannot see anything on the client's computer, however, my mouse movements & clicks WILL register.


The only known fix is to physically visit the client's computer and un-check/re-check all security settings for LMIGUIAgent. This poses an issue as some of our client computers are sent worldwide after preparation.


I did see a post recommending trying a caffeinate command for Macs with the M1 chip - our Macs have Intel chips.

I did see a post recommending lowering BIOS security levels - we can't do this. We must have Full Security & a BIOS password set for every machine.


Sample Computer (experiencing issue) Specs:

  • Mac OS Monterey (12.2.1)
  • Mac Mini (2018)
  • Intel Core i5 3 GHz 6-Core Processor
  • 8GB RAM
  • Intel Graphics

My Computers Specs:

  • Mac OS Monterey (12.2.1)
  • MacBook Pro (13-inch, 2020)
  • Intel Core i5 Quad-Core Processor
  • 16GB RAM
  • Intel Iris graphics

Any input on this issue would be appreciated because it has truly become an issue within our organization.

Active Contributor

While LogMeIn works on the fix for this issue, I have found a workaround.


The solution is to disable Fast User Switching entirely. While this may be an issue for some users that bounce from one account to another, this will [seemingly] fix the issue with LMI.


To permanently disable FUS on a Mac machine, run these Terminal commands:

  1. sudo defaults write /Library/Preferences/.GlobalPreferences MultipleSessionEnabled -bool false
  2. defaults write .GlobalPreferences userMenuExtraStyle -int 0
  3. defaults -currentHost write UserSwitcher -int 8


So far, every machine we have deployed this fix on has not had the issue again - even after multiple restarts and attempts to break LMI again.