820-01700

[wirelessplanet]

History: laptop came in heavily water damaged. ssd got shorted out so i replaced the board about 6 months ago. this replacement board lasted 6 months and came back no power.

820-01700
i get 20v and drawing .45-.117amps then resets.

i checked ppbus - 12.6v

 

[2informaticos]

Is the machine recognized in DFU?

 

[wirelessplanet]

i connected board to another mac with apple configurator. nothing popped up. i also tried putting board back in housing and followed the dfu process and nothing popped up.

 

[2informaticos]

Of course, try to enter into DFU.
Check if voltages go stable then.