The answer was that I missed disabling "Fast Startup" (Control panel/Power Options/Choose what the power buttons do/Change settings that are currently unavailable). Thankyou Dell Support
I have: - disabled deep sleep in the BIOS - enabled WoL in the BIOS - disabled "allow the computer to turn off this device to save power" in the Ethernet card roperties but still there are no flashing LEDs on the ethernet card when I shutdown the computer (so obviously Wake on LAN won't work)[IMAGE]WoL enabled[IMAGE]Deep Sleep disabled[IMAGE]computer not to shutdown device to save power
XPS 8940, NIC powers down, WoL won't work