Dell U2723QE Monitor Simplified Service Manual - Page 24

6. Trouble Shooting Instructions Problem What you experience Possible solutions U3023E connected as 2nd monitor cannot set to 2560 x 1600 @ 60Hz in Daisy chain mode in DP1.4 (DSC Disable) Two monitors • Connect U3023E as 1st Monitor connected in Daisy chain, 1st monitor(nonDSC) and 2nd monitor U3023E cannot set to 2560 x 1600 @ 60Hz when set MST On and USB-C Prioritization (High Resolution) 3x U3023E connected in MST mode encountered flicker issue 3x U3023E • Intel Graphic card driver limitation connected in MST mode encountered flicker issue for 1 second during Shutdown, Reboot, Unplug/plug, Sleep & Wakeup 1st monitor 1st monitor • Intel Graphic card driver limitation (Non DSC) (Non DSC) • Connect U3023E as 1st Monitor connected connected 2nd monitor 2nd monitor U3023E (DSC) U3023E (DSC) cannot reach cannot reach native resolution native resolution for 2nd monitor for 2nd monitor Ethernet not working Ethernet not connected • Install Ethernet Driver 10.45.20.