(In reply to Takashi Iwai from comment #29) > The log showed that DP-3 connector was detected while HDMI-A-1 connector was > disconnected. Isn't this DP-3 corresponding to your monitor? Or is it a > different output? Thank you for your follow-up. When doing the test to get a log I don't remember physically disconnecting an HDMI cable. I have always performs the logs when on DisplayPort. I have tested to see if HDMI works in the past, but not unplugging while getting logs. I hope I understood your question. Thank you.