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Catalina -- Drag but no Drop!

So what's the solution to this problem? Seems to be widespread. I thought of installing new OS before 15.5, because everything worked until Catalina.


Other ideas?

Mac mini, macOS 10.15

Posted on Sep 18, 2020 4:27 PM

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Seems to be widespread.

I don't remember seeing it, here.

Mouse or Trackpad?

What is set in Accessibility system prefs, Pointer Control, Mouse or Trackpad options?

Posted on Sep 18, 2020 7:26 PM

10 replies

Sep 19, 2020 9:05 AM in response to Barney-15E

Hotspot on this issue seems to have peaked on this Board about 12 months ago (Fall 2019), around Catalina's release. For me, did not occur until 2 weeks ago. Authorized repair station did a deep scan, removed several hunks of malware, but no major fix to this problem.


PS -- no track pad, just Kensington 4-button trackball #64325; swapped it for Apple Optical Mouse, but no effect.


Still thinking about low-risk approaches that might solve this glitsch. #1 on my list is now to reverse-course one point release at a time; currently running 15.6, have tried15.5 w/o success; next is 15.4, and so forth, until I find an OS rev that does not contain this bug. After each new install, I zapped the PRAM (4x) on restart.

Catalina -- Drag but no Drop!

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