Dell USB-C Mobile Adapter DA310 Usage and Troubleshooting Guide The DA310 does not support dual monitor daisy chaining. It also only supports one monitor at a time = [IMAGE] Connect the first U2417H to the Vostro 5501 HDMI, the second U2417H to the DA310 HDMI.
I'm trying to setup two U2417H monitors with my Vostro 5501 but the two external monitors are not extended. Here is the setup: Vostro 5501 is connected via USB-C with DA310 Adapter. DA310 DP -> #1 U2417H mDP in  #1 U2417H DP out -< #2 U2417H mDP in MST Enabled in #1 MST Disabled in #2 Windows 11 can detect laptop screen as screen 1 and U2417H as screen 2 (the screen is duplicated in the 2 external  U2417H monitors).
Vostro 5501, DA310, dual U2417H daisy chain not working