Mac User's Guide

USB Type-C
2 | Firmware Update Instruction User's Guide
NOTE: Disconnect all other monitors from the notebook or desktop. This will ensure that
only one display is connected while conducting firmware update.
3 Exit Dell Display Manager (DDM) application before conducting firmware update.
NOTE: Do not unplug the USB Type-C cable until the firmware update is complete.
NOTE: Ensure that sleep mode is disabled before you launch the firmware update.
NOTE: Update your monitor one at a time. Do not conduct firmware update on multiple
monitors at a given time.