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I received my replacement board today. That fixed the problem. I did try downloading the boot loader on the old board but that didn't fix it either. It was just a bad Rambo.

Thank you Eaglezsoar. I called and got ahold of JJ. He was very nice and apologized for John not getting back to me. Apparently John went out of town. He said it was ok to try and do what Xenocrates suggested and If that didn't work, I could contact him and send the board back. Thanks to everyone ...

This is my last resort to try and get someone from SeeMeCNC to help me. I can't seem to get anyone to respond to my emails. I received one response to the first ticket, I replied and haven't heard anything else. I've tried several tickets and the automated responses are coming through fine There is ...

Since you have other arduino's, have you considered using one of them to act as a programmer for the rambo, and re-flash it with the bootloader/firmware? I've done some research on what you've suggested. I found this video from seemecnc. https://www.youtube.com/watch?v=mC4Pv15Ibco It's show how to ...

Yes, Eaglezsoar, I have tried it on my MacBook Air as well. There are no drivers needed for my Mac and neither machine can communicate with it. Basically, windows won't install the drivers because there is something wrong with the Rambo. Both machine's work fine with other Arduino's.

I tried to install the driver but get the error (this device cannot start. (code 10)). This is a windows 10 machine.

Like you said, it should work on my mac but it doesn't. I can't select a port after choosing the correct board.

Both machines work fine with other Arduino boards.

Hi teoman, yes this is a new build. I'm to to point where I need to install the software but can't.

Yes, there is a green light lite on the board. I have other Arduino boards that I can connect to and program with no trouble.

Thanks for any help.

I checked all 3 fuses as well, they're good.

Hi all, hopefully someone here can help. I can not get my rambo to communicate with either my Mac or my PC. When I try it on my MAC, there is no port to select. When I try it on my pc, it shows it in the device manager with the exclamation point. I try and manually install the driver and get the ...