I recently purchased 15 Self Driving Vehicles through PLTW, all which came with the EXP Brain. I am having several Brains stuck on Compiling Program after downloading the program to the brain. Software and Firmware are up to date and program will download to 1 brain and work correctly. However, the problem occurs when we use the same program and computer to download the program to a different brain. This is when the errors occur. Having to share these brains with different classes makes it difficult since it only works once on the original computer. I have tried on Chromebooks and PC and the same issue occurs. I have changed USB cables, batteries and any thing else I could think of. It is almost like the second brain we connect does not communicate with the PC even the icon is green. Any suggestions?
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