820-3662 - Sometimes no Trackpad and Keyboard after sleep

phuketmymac

New member
Hello,

I have that board on which we've replaced the whole topcase (kb + tp) but same behavior.
It will sometimes works fine after sleep but sometimes you just get no TP+KB. External USB mouse and keyboard will work fine however.
I can see the caps lock light on when this is happening.

Any idea which area I should look at first?
Thank you.
 

dukefawks

Administrator
Probably on the TP interface. Inspect connector and traces for corrosion/damage, maybe bad U5701. This is probably going to suck :(
 
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