If the remote works from inside the garage but not from the outside then most likely the antenna wire on the garage door opener itself may be damaged broken or not in visible range.
Genie garage door opener not responding to remote antenna extension.
Check to be sure the antenna is attached and if it is not hanging down from the unit move the antenna so it can catch the beam being sent by the remote.
Improve the performance of an opener and increase the range by adding an antenna extension that you can buy online or at electronics outlets.
Replace the genie remote if needed.
Your garage door may be disconnected from the opener.
Reprogram the remote to the power head.
See your owner s manual for more details.
Place a stepladder at the area of the garage door.
To reprogram your garage door remote locate then press your opener s learn button.
If this is the reason you will need to reengage the carriage.
Check all remotes if all the remotes and wireless devices stopped working at the same time this could indicate the circuit board needs replaced replace the remote battery if neccesary.
Garage door opener works from the wall control but not from the remote.
Try using your remote to open or close your door to determine if the reprogramming was successful.