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Old 06-16-2020, 05:35 PM   #1
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Join Date: Jun 2020
Location: Canada
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Default iMac will not recognize monitor connected with Display Link VGA to USB 3.0 adapter

Background info:
-Im running a Quad-Core Intel i7 - 2016 ish
OS is Catalina 10.15.5
-Running Parallels/Windows 10 in addition to Catalina
-Trying to connect a View Sonic monitor (VG2230wm) that is about 12 years old using a VGA to USB adapter - CD0032
-My work PC laptop recognizes the monitor with or without the CD0032 adapter and does so automatically so I know the cables and adapter work

Here's what I've tried:
- Installed latest driver from Display Link website
- Tried all the USB ports, none work
- Went into system report / Extensions"and verified that DisplayLinkDriver is loaded and loadable
- Attached monitor to another computer (Toshiba PC Laptop) which recognized the monitor immediately and without having to hit "detect" in settings
- Tried option/detect"in Mac OS display preferences
- Tried "detect" in Windows 10 on iMac
- Opened AirPlay display device which brought up "arrangement" option but it still didn't detect the monitor so I couldn't control it ( I read that this was a possible fix even though it makes no sense to me )

I'm out of ideas. Is it possible the Mac OS cannot detect such an old monitor?
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Old 06-16-2020, 06:32 PM   #2
Junior Member
Join Date: Jun 2020
Location: Canada
Posts: 2
Default Solution!

I just finished with my tech support - they fixed the problem using the following article:


Hope this helps someone.

Booo to Apple search engine - this article didn't come up when I searched there.
RMB is offline   Reply With Quote

detect, detect monitor, monitor, vga to usb, viewsonic

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