Please help me any ideas for this problem.DC conector is OK.Power is 19V after DC conector but near bios chip is 0.8V .
On baterry conector pi 8 and 9 have vcore 0.8v other pin nothing 0 V.Bios is Winbond 25q64vsig
On baterry conector pi 8 and 9 have vcore 0.8v other pin nothing 0 V.Bios is Winbond 25q64vsig