- Posts: 1
- Joined: Wed Aug 14, 2019 10:45 am
- Real Name: Andrew Jacobs
I have exactly the same problem here. Mac mini 2018, Blackmagic eGPU. Everything is good without the eGPU but awful mouse lag with it. My monitor is an Iiyama 4K one connected by HDMI though. My main mouse is a Logitech Mx Master 3 and I was thinking the lag came from that but I have just tried it with a wired mouse and have the same issue.
Update: Having played with this all day I found that it is even more strange than I thought. The mouse cursor freezes happen when my monitor is connected too the HDMI port of the eGPU, but not when it is plugged in directly to the Mac mini. It does not matter what kind of mouse I use, USB wire or bluetooth wireless, same effect.
I have done all sorts of resets advised by Apple support too but no change.