Same problem here with a T440p and a Ultra Dock. Increasing the sleep time to 500us works however the system hogs the CPU about 30 seconds with a black screen before switching to the external screen when docked.
Same problem here with a T440p and a Ultra Dock. Increasing the sleep time to 500us works however the system hogs the CPU about 30 seconds with a black screen before switching to the external screen when docked.