Error Log
Changing monitoring state from 'Offline' to 'Opening serial port'
Connecting to: COM8
Connected to: Serial<id=0x350c670, open=True>(port='COM8', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=0.1, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor
Changing monitoring state from 'Opening serial port' to 'Detecting baudrate'
Trying baudrate: 250000
Send: M105
Baudrate test retry: 4
Send: M105
Baudrate test retry: 3
Send: M105
Baudrate test retry: 2
Send: M105
Baudrate test retry: 1
Send: M105
Baudrate test retry: 0
Send: M105
Trying baudrate: 230400
Send: M105
Baudrate test retry: 4
Send: M105
Baudrate test retry: 3
Send: M105
Baudrate test retry: 2
Send: M105
Baudrate test retry: 1
Send: M105
Baudrate test retry: 0
Send: M105
Trying baudrate: 115200
Send: M105
Baudrate test retry: 4
Send: M105
Baudrate test retry: 3
Send: M105
Baudrate test retry: 2
Send: M105
Baudrate test retry: 1
Send: M105
Baudrate test retry: 0
Send: M105
Trying baudrate: 57600
Send: M105
Baudrate test retry: 4
Send: M105
Baudrate test retry: 3
Send: M105
Baudrate test retry: 2
Send: M105
Baudrate test retry: 1
Send: M105
Baudrate test retry: 0
Send: M105
Trying baudrate: 38400
Send: M105
Baudrate test retry: 4
Send: M105
Baudrate test retry: 3
Send: M105
Baudrate test retry: 2
Send: M105
Baudrate test retry: 1
Send: M105
Baudrate test retry: 0
Send: M105
Trying baudrate: 19200
Send: M105
Baudrate test retry: 4
Send: M105
Baudrate test retry: 3
Send: M105
Baudrate test retry: 2
Send: M105
Baudrate test retry: 1
Send: M105
Baudrate test retry: 0
Send: M105
Trying baudrate: 9600
Send: M105
Changing monitoring state from 'Detecting baudrate' to 'Closed'
Changing monitoring state from 'Closed' to 'Error: No more baudrates to...'
Connection closed, closing down monitor
I should mention that I had this same problem with a RAMPS 1.3 board and a different Arduino as well.