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if you have password problem, read your bios and post it here
this is the original efi/bios,but serial did not match of the unit.
when backup using minipro tl866cs.but the size is exactly the same 8mb.
can help me pls, to back the serial.because if i reprogram using the original firmware no display.
thank you my friend , it worked ...... now can you tell me where or what to look for using a hex editor if i have a the same situation a second time ? am i going to be able to see
what is the password or just making it disabled?
Have a MacBook Air a 1466 with part no 820-00165-a with keyboard and touchpad not working.have tried another working keyboard and touchpad.have check the cable to board and it's good
The voltage on connector j4800 is following
Pin no 1-3.3v
Pin no 10 3.3v
Pin no 14 - 5v
Pin no 15-20 all pins have 3.3v
Have reballed the ic u 5000. And tried another ssd with working os .
I have a 2018 MacBook Pro (with Sequoia OS) that I've been using for years with no problem. I recently received an M2 MacBook Pro so I'm mostly using it and not the 2018 one, but since a friend of mine needs a computer, I thought I could restore my 2018 and give it brand-new-like to my friend.
I tried using the built-in tool to restore the MacBook (Settings > General > Transfer or restore > Delete) but it got stuck when trying to remove the Find Device configuration (it asked me for the password for my old Apple ID -now I use the same account but...
HELLO FELLOW COLLECTORS, How are you doing, I hope GOD always gives us good health, I'm here asking for help to work on this MacBook Air, to be honest, this is the first time I'm dealing with a MacBook machine, and I immediately decided that the ISL 6259 IC and after I replaced it it still didn't work and I found that the CHGR_CSO_N & CHGR_CSO_P pins had a short circuit.
I have 2015 MacBook Air A1466 EMC 2925 with 8Gb of RAM. It seams that I've killed it by bad SSD adapter. It starts, cooler works... But no chime, screen is black. SMC reset seams works, NVRAM reset doesnt works...
My repair guy has checked all possible. It's all ok with power. The last idea - I could kill EFI firmware... So, I need a firmware of EFI to check it. I have a programmer. But I don't have a similar laptop now to download it and compare
P.S. If you have else any ideas about repair, or you had a similar...
I have a 2020 Macbook Pro A2289 and after many attempts managed to get it into DFU mode, using my older 2017 A1706 Macbook Pro (Running Ventura 13.7.8). However, when attempting 'Restore', it fails at step 4 of 4, showing the following error:
- "The operation couldn’t be completed. (AMRestoreErrorDomain error -1 - Failed to handle message type StatusMsg (Generic error)) [AMRestoreErrorDomain – 0xA (10)]
- "The system cannot be restored on this device. Failed to create new state machine for restore [com.apple.MobileDevice.MobileRestore - 0xFB1 (4017)]
...
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