820-3787 late screen and very slowing ( SOLVED)

[tipoti]

Hi,
first boot sound and image comes after 35 seconds I/O board disabled trackpad disabled only motherboard battery and lcd plugged in again the same slow opening and won't wake up when put to sleep mode Could the GPU nvidia be faulty? How do i try this card uma

 

[2informaticos]

Machine goes slow and fans spin high, if trackpad is not connected.
Be sure to have a known good battery connected.

Did you try another macOS, USB connection?
You can try to clean ME in BIOS also.

 

[tipoti]

SOLVED- bios fixed it