Sorry for the noob question, but I am being extra cautious.../\r\n//\r\n/I got FLIP working, followed the instructions 9.2.1 Firmware Update in Windows, almost instantly the Xprotolab screen went white, inverted, with:/\r\n//\r\n/UART Sniffer/\r\n/Bit2: RX ? Bit3: TX/\r\n//\r\n/Uhmmm. Did it work?

Answer is:/\r\n//\r\n/Brick/\r\n//\r\n/Get Gabotronics splash then back to UART Sniffer.

It sounds like the EEPROM was not programmed, did you follow all the steps?
You can try again, or alternatively, you can restore the EEPROM settings: Enter the factory setup (hold MENU during the splash screen) then press RESTORE.