Updated the software and firmware today and now the motors will not start.

Can this be fixed?

Any kind of warning or error message showing up in GO4 app?

No errors that I see

How long has it been since you last updated the firmware?

fans08d2b9a1 Posted at 2018-3-17 19:06
No errors that I see

I believe I experienced similar problem after an update to No-Fly-Zone (Geo Fencing) database.
Either the drone or GO4 app thought, I was in an area I was not in.
I could not get props spinning.  

I think, Ended up powering down drone, remote control, and CSU.  Pulling battery from drone and CSU.  Waiting a few seconds, put batteries back in, and powering everything back on.  
There is a chance I went into GO4 App's settings and flipped something too.

You might try, re-installing GO4 App.  

More drastic is erasing data associated with GO4 App, then re-installing GO4 App.
Which at least on my CSU, caused it to look for updates and reload some things.  

Maybe someone else with more Cockpit seat time can better help you.

What about trying to reinstall the firmware?

Reinstalled Go4 and updated everything. Got it going finally.