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usb interface adapter firmware update fail

Hi, everyone

I tried to update firmware at my interface adapter with the USB-TO-GPIO Firmware Loader. but it didnt work.

(V1.2.2 -> V2.0.19 / I want to use BQ77910 EVM )

  

I checked that there are no problem with the communication from my laptop to adapter .

when i excute the BQ77910 EVM software , I figured out my laptop and adapter has no problem.

look at the screenshot below.

 

if someone have same situation  or solution to update firmware , please let me know

thank you

chikang LEE