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fredr500

macrumors regular
Original poster
Apr 12, 2007
227
19
MacBook Pro 14" 2019 (Intel i9) running Catalina 15.7 with 3 external monitors (1DVI, 2 HDMI from dongles).

Will I have problems with this setup under Monterey? Waited until the .2 release to even consider it but still reluctant to push the button.

Main use is PhotoShop/Lightroom along with all of the normal stuff.
 

fredr500

macrumors regular
Original poster
Apr 12, 2007
227
19
Over 100 views and no comments so I said what the hell? Only works with 3 monitors, if I plug in the fourth they all start flashing and it looks like it tries to work but the only way it becomes usable is to plug any one of them.

Progress?
 

RoelJuun

macrumors 6502
Aug 31, 2010
450
209
Netherlands
Can't report on your specific use case, but I have all sorts of problems with dual monitors, had none with Big Sur. One monitor on HMDI exhibits strange behaviour when waking my M1 Mac mini from sleep. My 27 ACD connected via USB C to mDP is unable to change display brightness and has some strange pixels dancing in the top of my display.
 
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