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Has liquid damage , after cleaning it will turn on , light comes on the charger , then light on the charger disappear after few 20-30 seconds . The charger goes to protection status , I must unplug it from wall to work again . i replaced I/o board and the flex cable , checked J9500 all pins...

No moisture only snakes!! all good lol

How we fix probably snake nest in motherboard .

Solved needed OEM battery cable thank you 2informaticos

I have one original battery and 2 replacements one I get the error with all of them . the main problem was non working keyboard the laptop was working fine with its original battery . ( turns on with battery only but non of the keys worked ) there was corrosion on the touchpad cable which...

Have even 3 board installed and replaced 3 batteries so far giving the same issue replace now . when disconnecting the charger it die right away . could the battery cable the connecting the battery with motherboard do this !!!

Other board installed shows same issue shows battery 52% replace now

Works with charger only

shows battery replace now replaced 3 new batteries and the battery cable still same thing replaced the main board still same ? is it touchpad related !! very weird

I replace top case new keyboard and new keyboard cable installed second board working one still same !!

macbook had liquid spill . turns on only keyboard not working , touchpad is fine . i replaced the full assembly keyboard with new keyboard cable but keyboard still not responding . i have the same board which working one , installed it to the new top case keyboard but no keyboard working which...

The no liquid damage to this board and no corrosion around U5701 ! could it be just bad U5701 .

Board not recognizing touchpad or keyboard at all.

Its keyboard and touchpad not responding at all not before OS X and not after booting

If I disconnect the touchpad and keyboard it wil boot using external keyboard and mouse .

Want to say non of the keys or muose work at all . only power button .

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this 820-2849 from 2010 17 inch shows only keyboard and mouse image on the screen . disconnect everything from the board not solving the issue . tried new keyboard , new drive , nothing works . please check images .

Yes was corroded . I will post result tomorrow !! thank you again

I did creat another thread just now . thank you a lot John .