Hi @SCCFML,
If rebooting the vehicle does not re-detect the Pixhawk then most likely the update did not fully complete, and it is not starting up in bootloader mode which the Companion Software cannot detect. You should be able to restore functionality by either
- Plugging the Pixhawk directly (via USB) into a computer running QGroundControl, and following the manual flashing instructions, or
- Flashing BlueOS onto the SD card of your onboard computer (to replace the Companion Software), and updating to the latest 1.1.0-beta release, which is capable of detecting and updating a Pixhawk even if it’s in bootloader mode