24Connecting a PC via HDMI portSSTPC Monitor 1 Monitor 2OSD → HDMI:SSTScreen A Screen ADP CableHDMI Cable• When connecting a PC using HDMI cable, you must set DP OUT mode to "HDMI: SST" on the OSDmenu. (OSD – System – DP OUT - HDMI:SST)• HDMI sources can only support "HDMI:SST" mode.• When this function is available, the following may occur: flashing screen or black screen, whichdepends on the type of the previous device used and the quality of the cable used. Try to use aSamsung branded cable, and visit the website of the graphics card manufacturer to check andupdate its driver with the latest version.• A Samsung branded cable is recommended.When the MST function is not supported1 Make sure that the cable is connected correctly and DP OUT mode is set correctly on the OSDmenu. Refer to DP OUT (MST/SST) Function Implementation.2 Make sure that the graphics card can support the MST (Daisy Chain) function. To check this, visitthe website of the graphics card manufacturer.3 HDMI sources can only support “HDMI: SST” mode. When DisplayPort Ver. is set to 1.1, DP OUT onlysupports SST for the DP source.4 Check and ensure the following setting: Right-click the Windows desktop → Click Screenresolution (or click Display settings for Windows 10). Make sure that MST is enabled: Check if theMultiple displays list is set to "Extend these displays". If a different value is set, change to "Extendthese displays".Windows 7Windows 10