Yea, proximity sensor may be the reason. Since I did "All reset", the proximity sensor should be set as default which is "off" if I'm correct. That's why I haven't encountered black screen these days. Thx.
Update: after I press “All Reset” in the OSD, now the back rgb light stays on unless I turn the monitor off, even without usb connected, just like my old XG27UQ. That is weird.
Hi,
I think I just found the reason that I haven’t use the usb cable to connect my PC. When I connect it, it will be turned on when every other argb device in my PC is synced after I log into windows. Also, when I wake PC up from standby or after pix...
