Cannot find comport? Windows, GUI, accelerometer

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Amed on 24 Feb 2013
Hello, i'm currently trying to run a code but cannot seem to find any open ports. Here is the error i receive...
Error using serial/fopen (line 72)
Open failed: Port: COM4 is not available. No ports are available.
Use INSTRFIND to determine if other instrument objects are connected to
the requested device.
help is much appreciated
  1 Comment
Jan on 11 Mar 2013
Without seeing the code, we cannot guess what's going wrong.

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