[Problem] Impossibility to load a sketch on board Mega 2560

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hi all,

i acquired first arduino mega 2560 last week it's few days can no loader long.

this message appears :

avrdude: stk500v2_getsync(): timeout communicating programmer

after 6 x : "avrdude: stk500v2_receivemessage(): timeout".

when load sketch remaining shift, have message :

"avrdude: stk500_getsync(): not in sync: resp=0x00"

i release atmega16u2 in dfu mode problem still same.

anyone can me please ?

ps : have yet try ide arduino 1.5.7 (bêta).

not better.  :~


Arduino Forum > Using Arduino > Installation & Troubleshooting > [Problem] Impossibility to load a sketch on board Mega 2560


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