[help] a1502 820-4924 extremely slow after liquid spill repair

[phantom]

hello! please help me!

motherboard with liquid spill no boot

i directly changed q1840 q1842 r1831 r1835 and r1810...


just because i've seem that it has booted, i gave it back to the client

he says that it is unusable because it is super slow. and i confirm it....it 's ultra slow ...i don't understand why. fan doesn't spin at all....could it be a correlation?

it seems to charge properly the battery...but i've discovered that if i disconnect the power supply, after seconds it power off...and the only way to power it on again, is to disconnect and reconnect the battery and the charger

 

[2informaticos]

Did you try known good battery?
Also test with another trackpad board/flex.

Install (if possible) HWSensors and check reported values.
You can also try to run embedded diagnostic...

 

[phantom]

i've found u5870 oxided. removed cleaned reinstalled. still the same...maybe should i change it?

 

[phantom]

i've installed a new fan and changed u5870 from donor


i have 3 errors : ppn001 pfm006 (smc) and ndc001 (webcam)


power button doesnt' work at all

 

[2informaticos]

On this model, the fan doesn't start until CPU gets really hot.

Possibly problem with ALS sensor; test disconnecting webcam cable.

 

[phantom]

yes fan problem fixed....but still super slow without webcam cable.. i dont understand how can it be possible a problem on the webcam...(ndc001)

i hope to fix ppn001 and pfm006 with new trackpad flex