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TM4C123GH6PM: Error connecting to the target: Unable to communicate with the device. Please check your connection.

Mustafa Mahgoub
Prodigy 10 points
Part Number: TM4C123GH6PM
Other Parts Discussed in Thread: UNIFLASH

Hello ,I have  problem with my TM4C123GH6PM and i hope that anyone can help me.

i was uploading a simple code to the board using debugger option from CCS and by mistake the USB was unplugged from my laptop while it was uploading , After that the Board isn`t detected at all by any computer and i can't use it Cry.

i tried to unlock JTAG Lock using (LM flash programmer/UNIFLASH) and it gives me an error , as i think that is because the board isn't detected.

i tried another TM4C123GH6PM and it is working normally , so the problem is from the board not from my laptop or the usb.

i don't know if this will help with something but i guess when it was unplugged CCS was (executing startup script (CORTEX M4)) .

so please can anyone help .