Why brand new Discovery boards give me "Error: failed to erase memory" when I am just loading up the ST provided demo hex
I have 4 Discovery boards:STM32F769I-DISCO, STM32F469I-DISCO, STML4R9I-DISCO, and a STM32H747I-DISCO boards. The H7 and L4 boards came pre-loaded with the demo firmware. So I downloaded the ST provided demo hex files for both the F4 and F7 boards. Us...