Chosen Solution
Hi! I’ve spent the last few days browsing tons of posts about dim green light magsafe connectors but still haven’t found a similar case. I’ve bought a MBP that had dried up thermal paste on the CPU and GPU which caused overheating. The charger was working fine, bright orange or green light. I took it apart, installed new paste and after putting everything back together the charger will not charge the computer and will only have a very dim green light on the connector. When I connect the magsafe power supply the light is very dim, even when the board is out of the case with nothing else connected. I do not see any corrosion on the board, or any damaged components. An SMC reset does nothing A PRAM reset does its thing but doesn’t solve the issue Using Coconut, I can read the battery info (serial, temperature, cycles, etc), it sees that it is connected to AC and it also says that battery is not charging. It currently runs at 1.6% (74mah) I tried a different power supply which works with another Macbook but I have the same issue. I cannot find schematics of the one-wire circuit on this computer so I cannot verify the voltage (I dont know where the chips are). Do you have any advice? Thank you! Update (10/05/2018) MagSafe connected
that’s all I currently have on my cellphone. Like I said in my original post, the computer can read the battery info. I have tested with a known good adapter already and it shows the same behavior. I dont have a spare dc in board to test but I have already ordered one yesterday Update (10/05/2018)
here is a screenshot of Coconut with magsafe disconnected
Not good ;-{ You appear to have damaged your logic board. There are a few different possibilities. Didn’t work on a static free work surface and/or did not use proper ESD precautions.You over did the thermal paste and it’s shorting out the other logic on the chips base (some paste is conductive or capacitive).You snagged one of the small SMT components dislodging itYou damaged one of the connections. Any one or more of these could explain your issue. I would go back and clean off the thermal paste if you see any had gotten off the silicon chip its self
Inspect the board for any damage as well as the cable connectors (both the board & cable sides).
I had this problem but push the magsafe connector to the port and wiggle it around works good to me
