So you registered with Dirac, got the email with the download link and have Dirac installed. Good progress.
I had problems the first time because Windows couldn't find the serial driver needed. After awhile Windows just gives up. You will need to delete the device in device manager and force Windows to search again. Make sure you have a good Internet connection. Post a pic here of what's displayed in Device Manager.
When I first connected my CB IV a new device called FT32R USB UART appeared in Device Manager and Windows couldn't find the driver for this. See pic attached. Basically, Windows won't keep looking for a driver after several attempts. If you have this, delete the device in Device Manager, reconnect the CB IV (make sure your USB connections are good) and Windows should find a new device attached and search again for the driver.
Here's an excerpt of an exchange I was having with Theta when I first got my CB IV:
I went to device manager and uninstalled the device that was appearing there, downloaded the software and installed again (although I don't think this mattered), plugged the Casablanca in again and this time after about 20 minutes of scanning the Internet it found a driver for a USB serial converter. This installed but it still didn't work. However, when I unplugged the cable and plugged it in again it all started working. USB serial port appeared in device manager and a rescan within Dirac Live found the CB IV !!!
It was my IT manager that gave me the tip to delete the device and reconnect.
(Once Windows finds the USB serial device driver it needs it will work fine. A few posts back I posted a link to a guide to how to use Dirac at a basic level. Once you manage that, you can get more sophisticated in how you use it.)
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Last edited by stevekale; 07-05-2014 at 02:09 AM.