820-3437 no chime, no usb

Glenn

New member
Have a 820-3437-a logic board thad dont chime when power up have triad pram reset whit out luck also i dont have light on usb mouse.

Where to start?
 

Glenn

New member
PPVCC_S0_CPU is 1.74V

Have no history on it.

yes som liquid marked around the board. smc area look pretty clean
 
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