ROBOTC 4.08 firmware not downloading to any cortex
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Author:  thebigb12 [ Mon Sep 15, 2014 10:11 am ]
Post subject:  ROBOTC 4.08 firmware not downloading to any cortex

I am hoping to get some help. We just updated my classroom with the 4.08 update, and we can not download the firmware to the cortex.
We keep getting the error
"Failed to enter "Master CPU" downloading mode"
I've tried all the troubleshooting methods I can think of, and don't know what other things I can do to tackle this. Even when I manually reset the Cortex using the "configure" button and re-download the firmware the process just repeats itself. In years previous, I know there were driver issues with the Smart software in which you had to manually disable the user interface devices in order for the RobotC drivers to work properly.

File comment: error message
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Author:  JohnWatson [ Thu Sep 18, 2014 3:28 pm ]
Post subject:  Re: ROBOTC 4.08 firmware not downloading to any cortex

To confirm, do you still have SMARTBoard software installed on the computer(s) that are generating this issue? If so, please follow the steps outlined in this guide to resolve the SMARTBoard software compatibility issues.

If the SMARTBoard software is not the issue, please submit a ticket to us directly via and we will be more than happy to work with you directly to resolve this issue.

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