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    MacBook Pro 13 820-00840 BIOS

    Hi, Could someone help and clean ME region on this bios file pls. Machine is getting stuck on apple logo not booting with another ssd or whoosh ssd to any OS usb disk but booting to windows life USB, getting stuck on "end random seed"...
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    MacBook Pro A2442 unrecognised test mode

    Hi everyone, Does anyone seen machine in mode like this ? `I haver tried battery disconnecting - no luck. The screen was replaced recently on it I have swap IC's as its the A2442 it was working fine for a few months...
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    Testing MacBooks after repair Software

    Hi everyone, I was wondering could someone advise what would be best software for testing MacBook after repair. I have recently get a few customers telling laptop is getting to hot. On windows laptops I am running benchmark test on aida64 100% cpu/gpu usage shows temp in real time . Is...
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    MacBook Pro 13 A2289 820-01987 not powering on

    Get this machine not powering on, no sign of liquid etc. board looks clean. after connecting meter it switch to 20v 0.47A than jump 0.25A . Under thermal camera I can see U3900 warm up to around 40C, CPU gets power CPUcore_SW1 for a 10s and then current meter goes to 20V 0 A . Any idea what...
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    MacBook Air 13 A2337 820-02016 no wifi no sound

    Hi I have received this machine after liquid damage. The damages was on the side I/o board I replace it but there is still no sound or wifi (wifi is greyed out ) board checked under microscope it is clean no corrosion. Any idea on this ? Do you have a .brd for this machine that will work on...
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    MacBook Air A2179 OS install issues

    Hi everyone, I get MacBook which is showing me error 2003F or 2100F when I am trying to load internet recovery. Tried reinstall in DFU but it is cutting on middle of installation. Do you have any idea how to resolve this issue ? Thanks
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    Macbook pro A1989 does not install or boot

    I have a MB pro a1989 with the following issue: -will not install system -will only boot to internet recovery, can get it into usb boot and recovery mode from there -gives error "-2001f" on internet recovery or install from usb -restore and revive in DFU mode cuts off around 60% -"recovery is...
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    MacBook Pro 13 820-4924 blinking screen

    Hi, I have MacBook Pro that have issue with display. Screen is blinking like someone will be opening and closing lid, tried another screen issue persist. LCD connector looks okay, after inspection no corrosion found Any idea where should I start with this main board ?
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    MacBook Air 13 820-01521 not charging correctly

    I have MacBook Air which is not charging correctly, machine drain over 1 A when screen is on, when powered off, shows current going into it is 0.00A. Once powered back on drains only 0.45A, after reconnecting charger back to normal charging. tried C-type side boards a few, different chargers...
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    Macbook Pro A2159 unable to install system

    Most of the time -1008f error, -1007f came up once. Unable to get to recovery mode, can get to USB boot and internet recovery but after the timer gets to 0 it gives the same error every time. System was deleted during attempted factory reset by user so there is no system to access on it.
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    Macbook Pro 13 820-01987

    Hi everyone, I have an issue with this machine, laptop was after liquid damage and it was fixed works fine for over year no issues. two days ago Touch Bar stopped working, first touch didn't respond and after reboot display was gone too. Tried Pram reset no luck. the liquid damage was around...
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    Imac 820-00597 not reading HDD correctly

    I have on bench now iMac with have a weird HDD issue , it is showing unmounted HDD once I trying to format it will show the error. I get HDD working for a 10-15 min after replacement and issue come back. The machine come here with this problem not recognising HDD with was looking like dead HDD...
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    MacBook Pro 13" 820-01987 Not booting correctly

    Hi, Have this board for repair . Machine was liquid damaged around u7000, U6903, j6951, C4914 area. replace both IC's and clean board those places J6951 ad C4914 they are looks ok after cleaning . Laptop now is trying to boot chasing voltage from 5v to 20 I can see it is draining current...
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    MacBook Pro A2141 820-01700 dead SSD

    Hello, I am wondering is it possible to replace SSD IC's on this boards or they linked to the components on the board like an iPhone memory? If it is possible would be a donor board where I should look for this NAND IC's ? The U9580 was liquid damaged and SSD lines PP2V5 are shorted to the...
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    MacBook Pro A1708 820-00840 c-type not working

    Hi Have one of this board after liquid damage. Both ports was totally corroded, replace the port and I get in resold one working port and the other one is not working stuck on 5V 0.00A PP3V3_G3H not showing up once connected to not working port replaced port second time/didn't resolve problem...
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    MacBook Pro 16 A2141 820-01700 cutting off, GPU panic error

    Hi everyone, I get this MacBook with rebooting issues on the loading bar, it sometimes boots to the system, once boot up I've tried GPU testing software and it was crashing straight away after turning it on. Checked the Log and getting :GPU-Panic: mux-regs 10 3 7f 1f 0 0 Does anyone faced...
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    MacBook Pro 13" 820-00239 No boot no display

    Hi, I get MacBook Pro 13 A1706 after someone else screen replacement attempt, that doesn't boot. Once I tried power it on touch pad clicks but no display tried another screen new LVDs cable Touch Bar is not displaying anything, caps lock does not lighting up. I tried to disconnect trackpad once...
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    Schematic diagram and Board view for MacBook Air 2020 820-01958

    Does anyone have a board view and schematic for this MacBook Air please. I tried with 820-01521 but this part with is liquid damaged is completely different. Thanks for help
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    MacBook Pro A1706 820-00239 not powering on

    Hi everyone, 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...
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    820-00850 MacBook Pro 13 A1989

    Hi, 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...
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