Problem with Acer B243HL external monitor.

BillSk
BillSk Member Posts: 1 New User
edited October 2023 in 2019 Archives
I just upgraded my OS on my iMac to Mojave.  I now have no image on my Acer B243HL external monitor.  The Blue LED indicates the computer & monitor are connected, and I can move my curser onto the Acer screen, but have no image.