Hi everyone, first post here – long-time reader though. I have a dead MacBook Air M1 (2020) that won't charge or power on.
Device info:
MacBook Air (M1, 2020)
Model j313ap (A2337, logic board 820-02016)
Symptom:
No charging, no power on at all.
Restore attempts:
Apple Configurator finds the MacBook in DFU mode, as Linux with lsusb: Bus 001 Device 021: ID 05ac:1227 Apple, Inc. Mobile Device (DFU Mode).
It looks like the MacBookAir is in firmware boot loop. I have tried to restore 14.x version and 26.2 (latest) version firmware,...
Posted Photos
2 Photos
820-00281-a voltages.jpg
power_button.png
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hi all techs
require some help on this 820-00281-A macbook motherboard came in dead and the pch bga U1100 (SR2NH), u5000 , Q7056 , U7000 and bios U6100 ,looks like these have been tampered with ..also the battery is swollen..
adapter usb c 20.5v 4.7a 96w , i persume it should power on mb without battery..
update:
when adapter plugged in , power switch which 3.3v on it , when power button pressed both fans come on after 6 secs for about 20secs approx then goes off , nothing on the display stays as blank.. the voltage at the usbc out start from...08-23-2025, 02:35 PM -
guys i have problem with macbook pro A1707 ic UB700(TBT regulator),it doesnt have output voltage and the board just have 0,230 amper;19 volt, but the trackpad can click, i dont have idea this is processor or Thunderbolt -
Hi Peeps.
Just a quick question please as I am by no means an Apple fundi at all.
Can a 'popped' battery cause the Macbook to be completely dead? Client said the battery definitely popped. It doesn't look swelled or anything but it doesn't switch on at all. No lights, no fans, nothing.
Also, using a 85W original Apple charger. That is working for sure. Does it need more wattage?
Don't want to go buy a battery for no reason.
Client is adamant is worked before the battery popped and I can't see any damage what so ever on the board... -
hi all, got this macbook with dead trackpad. after some investigation i found that fuse is bwlown. it's marked with a K on it. anyone kjnow it's value ? it is a 0402 package.
another problem is: i tried another trackpad that was working fine, but the feedback sensor was not. all volts are present, but the click mechanism isnt .