Problem finding COM device in Arduino DUE with 25V caps

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i got few new arduino due boards. of them 25 volts capacitors (serials d000394xx) , have noticed necessary press erase , reset buttons everytime need load sketch, otherwise following:

code: [select]
send auto-baud
set binary mode
no device found on comxx


such thing has never happened me before using old arduino due boards 16 volts caps.
has experience lately?

regards,

p



Arduino Forum > Products > Arduino Due (Moderator: fabioc84) > Problem finding COM device in Arduino DUE with 25V caps


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