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Oh, i see.. thank you for your time and guidence 2informaticos! You think reflow worth a shot?

I'm using usb type c hub for HDMI, usb ports, and that's the only mouse which i own at the moment, and it has steady light while mac is on. Sorry for lack of a equipment, at least got same model donor board just in case.

USB ports active, black screen which barely lits up (just like turning on and waiting for apple logo or question mark). Sorry, but do not know past of this board as it was given by my friend whom have no idea what happened.

Hello there ! I have a board 820-00239 which does not seem to have a liquid damage or knocked off components. So what happens is that machine turns on, trackpad is active, i get the LCD backlight but no picture itself, keyboard is inactive. Tried on external display, still no picture. Any ideas...

Hello, got this macbook air 820-2838 motherboard, which has a green light with charger plugged in, but won't power on machine. No visible knocked off components or liquid damage. After checking power aliases found out that PP5V power rail missing from machine, not sure where to start...

BINGO!, issue was exactly with R9406, Thank you for quick solution 2informaticos!

Hello!, got this touchbar board 820-00239 which has question mark. Board had no signs of liquid damage, P2V7NAND was not present so inspected J9600 and one of the pins seemed to be damaged, replaced connector, P2V7NAND came up, thought sorted, but after couple of seconds smoke came up from...

New fan is fitted inside at the moment, before had original from this machine was acting same way, made video to show results (sorry for bad quality due to screen protector). https://streamable.com/11qwl https://streamable.com/5gr0j

Haven?t mentioned that CPU reaches 90-95C while watching youtube in full screen, but as mentioned fan just spins for second and stops and then same again after few seconds. Temperatures not going down due to fan being ?lazy?. Did tests on same model, when CPU reaches temp between 80C fan kicks...

It's been a while with this device, but after doing some more tests just saw that macbook fan spins for one second then stops, after 6 seconds break starts again and stops and so on.. Any ideas guys? (in case just got my 820-4924-A donor board so will have plenty of components to spare)

Before cleaning ME tried different ssd with installed OS, machine boots fine, even after some usage, few restarts, but if i'm trying to boot to any mac os installer usb it freezes on logo ar start, so think it might be defo bios issue. Will try to clean ME, thank you.

No Title Sorry, might sound a bit stupid, but where exactly GMUX IC are located or named on schematics, can't find info about that one? Actually i did find, that screwhole is a little bit damaged.

No, it's MacBook Air 13" A1466 early 2015. The thing is, i only have CH341A programmer atm, will look forward purchasing medusa 3, but working with CH341A, MB 2015 efi don't have any legs so i assume i need to solder chip directly to programmer? And last question i need to clean ME or to...

No Title Got a log. Looks like GPU issue?, same U8900 causing problems?

Hello!, i have MB pro 820-3332-A which started firstly panicking, after i had no image so U8900 was replaced and now there is image but machine freezes on startup and i can see keyboard lights up, caps lock light works, even sound but image is stil stuckl on apple logo. When closing lid...

Hello, i have Macbook Air early 2015 13'' which recently started to freeze just after it boots and then restarts to repeat the process. Got a chance to get to the logs and take a photo, thinking it's CPU, what i could check or do? Sometimes even freezes at startup, maybe ME clean?

So, after replacing battery connector, U7100 and just after SMC reflow board detects and charges battery fine, but fan is still inactive and cpu reaches temp up to 90C, but on apple diagnostics at the end it spins. Thinking that SMC might be bad and needs replacement. If that would be case...

Hello!, have a board which is 820-4924-A and was after liquid damage. After cleaning and replacing corroded components board turns on, boots, but won't detect battery and fan at all. So far what I managed to measure: PP3V42 - 3.42v PPBUS-G3H with connected only battery is 11.04v PPBUS-G3H on...