If you need support from MathWorks®, visit our Web site at http://www.mathworks.com/support/.
Before contacting MathWorks, you should run the daqsupport function. This function returns diagnostic information such as:
The versions of MathWorks products you are using
Your MATLAB® software path
The characteristics of your hardware
The output from daqsupport is automatically saved to a text file, which you can use to help troubleshoot your problem. For example, to have the MATLAB software generate this file for you, type