For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
These are very old machines. If hard drives never been replaced they are subject to failure because of normal wear and tear. You can check the hard drives with third party tools as DriveDx or Drive Scope or other S.M.A.R.T monitoring software. Also most of these machines were born with only 1 GB...
Actually it just came to life after i replaced the SMC (a panic action because i didn't know what was going on)
Now I need to let it run to see if some internal shit is now working because of heating up or it actually was SMC malfunctioning
All termination resistors measure correct. Traces are good.
J6100 looks perfectly clean. Like new. There has not been any liquid (or even high humidity) near this machine.
Diode mode on U6100 pins with U6100 removed
Another U6100 is...
Got this one in saying no display. After reseating the battery the machine started. Ran for 24 hours. Next day it has shut off. I tried to start it again but now it is not booting. It has no liquid.
Symptoms are fan spins then stops then spins faster and faster.
VCORE is ok at 1.8V all the...
I got this 4924. It came in with no chime and no sound and no audio devices shown in audio settings. No liquid. Just stopped working one day.
I opened it up and the Cirrus audio chip got a hole burned in it. So I just replaced it. This brought the sound back but at low volume. I made a...