I know this probably has been asked before, but I couldn't find a resolution. I recently received a Revo from a friend who no longer wanted it. He was running Raceflight on it. He told me to just run Rescue or Upgrade and Erase. I have tried both and my computer won't even recognize it. If i get on Raceflight it does recognize the FC. GCS still won't. Could someone please lend a helping hand or point me in the right direction? i have been wrestling with this for 2 days now. I do have the SBL shorted.