Dell U2723QE Monitor Simplified Service Manual - Page 23

6. Trouble Shooting Instructions Problem What you experience Possible solutions OSD lagging 2 or 3 monitors • Set Multi-Monitor Sync (MMS) turn off when navigating connected in • Or Slow the OSD navigating speed to 1 second menu daisy chain when MMS is On, OSD lagging during menu navigation OSD no response 2 or 3 monitors • Set Multi-Monitor Sync (MMS) turn off connected in daisy chain when MMS is On, no OSD response during menu navigation response during menu navigation Can't adjust Brightness/ Contrast through Dell Display Manager (DDM) 2 or 3 monitors connected in daisy chain when MMS is On, some functions of the 2nd or 3rd monitors may not work on DDM • Set Multi-Monitor Sync (MMS) turn off • Or adjust Brightness/contrast through OSD U3023E as 2nd monitor no displayed image when 1st monitor with USB-C cable connected to Nvidia Graphic Card (DSC Enable) with Salomon docking Two monitors • In the BIOS menu set to disable" discrete connected in graphics controller direct output mode" Daisy chain, • Without docking 2nd monitor U3023E no displayed image when set MST On and USB-C Prioritization (High Data Speed)