Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

shinyheadmusic

macrumors newbie
Original poster
Oct 17, 2016
7
1
On my 2019 27" iMac, I have a Dell 24" second monitor connected via a USB 3 hub > HDMI. I like to keep Mail and Music on that second display, however two unexpected behaviors occur regularly:

  1. The Music window shifts back to the main iMac display frequently - although I can't make it happen by briefly setting the iMac to screensaver or sleep.
  2. When I start a new Mail message, the new message ALWAYS shows on my iMac monitor, even when the Mail window is on my second display (this behavior also happened under Catalina).
Mail does show the "Move to xxx display" option in the Window menu.

Music does not show any monitor recognition in the Window menu.

Can anyone offer advice on how can I override these unusual behaviors? Is this a problem anyone else also has? Thanks.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.