Lot of devices do NOT come with that portion…I guess these manufacturers “FIGURE” you already have extra ones layong around from old iPhones etc. who knows.
I don’t know if the laptop is 1V.
If it’s under warranty, check with that first. Personally after exhausting all options…I’d open it up to see if loose cable or something to that matter. So I assume it doens;t even turn on when plugged in charging?
My kids have a old Samsung Tablet and the micro-b charging port connectins peeled up and no longer connected to a cable… but I was able to do some micro surgery on it and it barely connects now…again, I hate micro-b usb connections… should be micro-c these days. get a magnifying glass and look at the connectors to make sure they aren’t shorted together or missing on either end… hopefully not so on the Emlid side.
the “whir” or buzz may not be a good sign? something awry in the power portion?
some pix at end of thread here of the guts of the RS. Not sure where the battery is?