Failed to read machine data using COM Port

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C#

C#4.0

serial-port

HI Friends,
i am going to read machine Data using COM Port but failed to read. when i read data from other computer using com port then my program work fine but whenever i read data from machine then its not working. Hyper Terminal shows data perfectly and hyper Terminal setting's are
Port= COM3 , Baud Rate=9600, Parity=None, StopBits=One, DataBits=8. My Program is

SerialPort mySerialPort = new SerialPort();
        mySerialPort.PortName = Console.ReadLine();
        mySerialPort.BaudRate = 9600;
        mySerialPort.Parity = Parity.None;
        mySerialPort.StopBits = StopBits.One;
        mySerialPort.DataBits = 8;
        mySerialPort.ReceivedBytesThreshold = 1;
        mySerialPort.Handshake = Handshake.None;
        mySerialPort.RtsEnable = true;
        mySerialPort.ReadBufferSize = 2048;
        mySerialPort.WriteBufferSize = 2048;
        if (!mySerialPort.IsOpen)
            mySerialPort.Open();
        Console.WriteLine("opened");
        Console.WriteLine(mySerialPort.IsOpen.ToString());
        while (true)
        {
            string indata = mySerialPort.ReadLine();
            Console.WriteLine("Data Received:");
            Console.Write(indata);
            Thread.Sleep(1000);
        }
        mySerialPort.Close();
        Console.ReadKey();

Please help Me to solve this Problem...
Thank you