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1  Community / Website and Forum / Re: Loop Back Test - Sticky? on: June 30, 2012, 03:41:42 pm
So what do I do if my board fails the loop back test??  When i plug my board in, nothing pops up, makes a noise, or tries to install drivers.  When I look at my device manager, I see a COM port, but its not called arduino anything (like the installation instructions say it will be).  Uploading of the blink code doesn't work.

Binary sketch size: 1,632 bytes (of a 258,048 byte maximum)
avrdude: usbdev_open(): did not find any USB device "usb"

I'm on Windows 7 64 bit
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