USB-C Port Icon: Check if the USB-C port has any icon indicating its capabilities (e.g., a lightning bolt for Thunderbolt or a "DP" symbol for DisplayPort). Regarding Your Setup If the USB-C port does not support DP Alt Mode, a USB-A to USB-C adapter ...
Signal Detection Priority: Check whether one input (e.g., DisplayPort or HDMI) is being prioritized over the other. Some monitors default to the first signal detected and do not switch automatically if there is no active signal on the primary input. Disconnect all but one input...