3) Try to update the flash software with SD card;When the control board card Restoration machine ought to start Generally, the following two methods are needed: It is suggested to use 6AWG copper wires which has a duration of under 60cm to the hash board powering. (2) In the https://emilianogzpfu.blogmazing.com/30850512/5-tips-about-antminer-s19-hashboard-repair-you-can-use-today