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    Macbook Air 13 (820-3437) issue with ssd recognition

    Bios https://drive.google.com/file/d/1L7pijWcWh6IIEj8cXyyq_Cuu6FfsBr1c/view?usp=sharing Serial c02l53lwflcg
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    Macbook Air 13 (820-3437) issue with ssd recognition

    Im not allowed to upload bios file
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    Macbook Air 13 (820-3437) issue with ssd recognition

    I mistake with efi file ,reflash with 2631 instead 2632 ,thats maybe cause the not finishing installation ,i try few 2632 but loading bar stuck .can u post me clean me bios emc2632 thx
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    Macbook Air 13 (820-3437) issue with ssd recognition

    i try el capitan usb,mojave no difference ,didnt try preinstaled usb ,could be the bios maybe
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    Macbook Air 13 (820-3437) issue with ssd recognition

    Macbook when installing from usb recognise internal ssd and format,and when it pass first part of installation restart with flashing folder ,I try to start with another ssd from different macbook still wont boot from it,but again if i boot from installation usb its recognise ssd in disk...
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    820-00165 Macbook air Cpu_vcore is there but no chime no image

    There were dead board cant confirm working bios,and when is on its drawing 650mA on power supply ,I remember the working one was around 350mA ??
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    820-00165 Macbook air Cpu_vcore is there but no chime no image

    I use 2 different bios from donor board ,try usb and get lights for about 30 sec then off ,if you unplug and recconect lights is on again for around 30 sec
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    820-00165 Macbook air Cpu_vcore is there but no chime no image

    Is it normal that my SMC_THRMTRIP is 0v
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    820-00165 no display

    did u fix it .have same issue
  10. C

    820-00165 (Brain Dead)

    Have same issue ,all rails present but no image no backlight 820-00165 (2015)
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    820-00165 Macbook air Cpu_vcore is there but no chime no image

    PLT_RESET_L 3.3v When i connect usb keyboard get light on trackpad but no caps lock(have keyboard with small mouse ball) ;-)
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    820-00165 Macbook air Cpu_vcore is there but no chime no image

    I didnt found any rail missing
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    820-00165 Macbook air Cpu_vcore is there but no chime no image

    Reflow the smc ,flash new bios smc2925 clean,still no image all rail present all_sys-pwgrd 3.3v cpu_vcore 1.8v only i notice that is spi_clk is low 0v (maybe thats normal)
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    Macbook 12 (820-00244)

    Update I found that my PPVBUS_LIO is 15v and PP1V2_S5SW 0V ,on U8130 found that P1V2S5SW_HSMUX_EN_R is only 0.5v and its coming from U3100 ,any clue ??
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    Macbook 12 (820-00244)

    Any test that I can confirm is CPU dead 100% ?
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    Macbook 12 (820-00244)

    CPU dont get hot or warm
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    Macbook 12 (820-00244)

    Yes data lines ,I have PP3V3_SUS 3.3v but all data lines is 1.5v ,could be u7800 cause this
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    Macbook 12 (820-00244)

    Hi Macbook when connected charger wont start PPBUS_g3h 8.6v PP3V3_G3H 3.3v PPVRTC_G3H 3.3v PP5V_G3H 5v PP5V_S5 5v PP3V3_S5 3.3v PP3V3_SUS 3.3v Missing S4 rails and on Bios SPI rails I have 1.5v i think should be 3.3v ,try to remove bios still showing 1.5v ,No PM_slp_s4 also
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    Macbook Air 820-3209-A battery charging time more then 10 hours

    Already replaced Q7055 ,no change battery is A1496 ,dont think that battery can cause this ,before I use different battery for Macbook air no problem
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    Macbook Air 820-3209-A battery charging time more then 10 hours

    pins 27/28 resistance is 21 ,17/18 is 2.1 ,q7055 trace ok to u7000,
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