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1  Using Arduino / Microcontrollers / Could not find USB device 0x1781/0xc9f on: April 20, 2011, 02:15:29 pm
I used to use a TinyISP to burn sketches to an Mega2560 because I didn't have the bootloader. I now have the ability to burn the bootloader and would like to switch back to burning skteches via USB. Any ideas how to do that? I changed the boards.txt file to use the tinyISP but I can't figure out how to change it back. I even deleted arduino022 and replaced it with a fresh install.

Thanks in advance
 
2  Using Arduino / Installation & Troubleshooting / Re: Arduino Mega 2560 sketch upload and bootloader problem on: March 16, 2011, 06:15:12 pm
I'm getting the same error message as above and I was wondering if anyone knows the cause of it? I'm going to try bootloading from an old xp machine I have but I'm wondering if there is a work around for this.

Thanks,
Scott
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