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I've got MacBook Pro after other repair centre tried replace flickering screen since than laptop is not powering on, caps lock is not blinking touch bar not lighting up.
There is activity on all ports voltage jump to 20V and 2.3 A is taking by board when battery is connected
I got recently this MacBook with no charging issue.
I've use 820-00239 schematic diagram to check out the board.
Laptop was liquid damaged around L3500, U3100. I replaced all liquid damaged components and reball U3100 because laptop didn't take charge on one c-type port voltage didn't go...
Maybe this is the answer for question but I don't think its actually true myself, found this on apple forum
Well, I have just called AppleCare. Very friendly and helpful.
The answer is – because my laptop was originally a build to order, the model/year does not show up in...
Yes its original backup file from board, SN of board its not matching bottom cover because bottom cover is from another MacBook Air from 2012.
If it will go for sale first what people looking at is what year and spec the laptop is in "Abut This Mac" so I was thinking to sort it out
I've tried this bios, still not showing a year and laptop is a bit slower than it was when loading to system or opening apps, PRAM and SMC reset has been done, didn't install fresh OSX trying this on this installed this morning.
Laptop is connected to network and I wait a few min because...
I've tried do it myself but I don't know how do fix Fsys checksum, I tried new bios and swap ME region and change SN. Just tried this and still same no manufacture year, SN presented correctly I install fresh OSX because I didn't recognise SSD properly so everything is as it was. I don't have...
or any chance you could fix this Fsys for me please here is this bios, I start reading now about it and looks like I will have to figur it out but I need this laptop have ready for tomorrow morning tested please if you could help me.
I've got another MacBook Air 13 SMC was faulty and I replaced it now laptop works but it doesn't show manufacture date. I know that if someone has been messing with bios and SN this will heaped I didn't touch it but it look like someone try fix something so its possible bios has been...
I got a MacBook Air 13 2015, it was a liquid damaged not powering on, there was no charger light indication.
i spotted corroded J6100 connector and remove it also corrosion on U7090 it has been repaired, lcd connector was corroded I also replace it.
MacBook powers on works fine boot to system...
just tried run windows from stick and its loading fine and works
but osx installation usb stick want load and osx itself is crashing
what do you think ?
I've replaced EFI IC just in case and load in old bios with clean ME region still same
Here is a video when trying to boot to osx and crashing...
I know for sure it was open somewhere else as the glue on the screen has been removed and replaced with some other different one. board looks untouched no liquid damage.
Sorry I meant, reflash BIOS, I do clean ME region
I actually didn't try run a windows live I will try it now to see if works