Like a lot of folks, you might have just done yourself a favor!
Since you will most likely be required to purchase a replacement dongle, please search the internet for the Ethernet Dongle. A lot of us have spent a LOT of time fussing with the wi-fi dongle for one reason or another. All of my dongle connection problems went away after about two months of trying to get the wi-fi version working.
You will need to look for it referenced by 18kpv, I've been told they all use the same dongles.
If you find it on "InvertersRus" Please do not repeat my mistake and purchase from them. They sold my purchased dongle to a walk-in customer AFTER I had already paid for it! Then told me they were out of stock!