I have bought Lenovo Thinkvision X1 about a month ago for my Macbook Pro 15" 2016. I am having trouble since day one. I have updated macOS while connecting the display using usb-c according to Apple support. Initially seemed working fine. But now it works fine for about half an hour and then the display goes blank. Apple detects the display is working fine while it is actually blank. Anyone else having the same issue? After turning the display off and disconnect power for some time, display works fine for that period again. if I do not disconnect the power, restarting the display does not show the Lenovo Logo and stays blank. My guess cable is fine as it works for about half an hour.