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Topic: Arduino Mega 2560 not uploading - fix (Read 933 times) previous topic - next topic


Trawled many posts for a fix to this:

Arduino either says COM7 already in use, ... or ... sytarts uploading and hangs.

Turned out that under windows XP SP3 - with Tosh Bluetooth  installed - there is a clash on COM7 (in my case)

DIsabled Tosh BT software, and deleted Bluetooth COM7 - Arduino now happy.

Just in case anyone else finds it useful.

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