[help] FIRST POST: 820-00840 DEAD AND HOT AS HELL

[2informaticos]

It should work then.

 

[phantom]

i have video and charging icon!!!

now i resolder u3900

 

[phantom]

now i have two problem

no trackpad/keyboard

and no webcam:

could keyboard work without trackpad (because i've broken a little bit j4801)

what can i check about keyboard/trackpad

and what about webcam? (i think to resolder the original u3900)

 

[2informaticos]

Check first if you get 5V at pin 46/J8500.
Resolder original U3900; be sure to get good solders.

Keyboard can't work if trackpad is bad...

 

[phantom]

webcam ok with original u3900!

i don't understand why, but trackpad is dead...

changed with another trackpad and all is ok...how is it possible?!??!