hi i updated my s9's firmware,then i uploaded the tp list and reset after that the box never came back and is now stuck with the on sybmol, ive tryed to connect the s9 to my pc with rs232 and keep getting error msg, ive tryed most apps and keep getting the same msg's , ive tryed with usb to serial and null modem cable i cant get it to work pls help im a ultra noob