Have a16" MBP running BigSur with 2 SD Lenovo monitors. No matter how I connect them using a brand new TBT-UDC3, after one sleep cycle, one of the monitors will begin blinking on and off. Then occasionally the computer will ask me to log back in as if it’s been put back to sleep even though auto sleep functions are disabled. For reasons I can’t go into here, I can’t simply restart EVERY TIME this happens. I need a fix. HELP!
Hello Mark,
Thank you for reaching out to Plugable Support!
I know you reached out to us directly via email, but I also wanted to post the solution here for others’ reference.
The issue we were experiencing are related to this article here:
https://kb.plugable.com/thunderbolt-3-docks/1046910-monitor-flickering-from-hdmi-port-on-tbt3-udc3-when-connected-to-2019-macbook-pro-16?from_search=73671042
This is currently being resolved by a warranty covered replacement with updated firmware.
Thank you!
Evan
Plugable Technologies
www.plugable.com/support
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