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    [help] iMac 27 dead! Strange behaviour

    So in This picture https://www.dropbox.com/scl/fi/w6fx28t9pg3nrwdbzhjv8/Foto-10-04-24-11-11-16.jpg?rlkey=cx6z79jxa7ooaqzzvrvl62i1f&dl=0 On the left I have the ic (and it should be u8470), on the right, I have the mosfet (it should be q8470) On This picture...
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    [help] iMac 27 dead! Strange behaviour

    00134 seems most similar https://www.dropbox.com/scl/fi/750byon2el454fx62fhy7/Foto-10-04-24-09-45-41.jpg?rlkey=uqjjc97fqjafzpoupplk0v4kd&dl=0 In the white circle There is not the component that I have in my motherboard. I’m assuming it is q8490 or u8490…how to understand? But now? What...
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    [help] iMac 27 dead! Strange behaviour

    how can i change them if i don't know anything abouth them?
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    [help] iMac 27 dead! Strange behaviour

    Like I said before, I have only small light on led 2 and nothing else This is what I have found under Thermal camera https://www.dropbox.com/scl/fi/dzstjk8it3srqa6q174qe/Video-09-04-24-23-04-50.mov?rlkey=u95d7dvk8n1628hj0pmg1y9fv&dl=0...
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    [help] iMac 27 dead! Strange behaviour

    Hi to All! I have an iMac 27 2019, motherboard 820-01236 Dead. When i Connect power supply, I can barely see a light from the second led Nothing happens if i try to to boot the system I’ve Tried to Connect my power bench supply directly to the motherboard and I have this behaviour...
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    [help] 820-00840 “seems to boot”

    Could you help me please?
  7. P

    [help] 820-00840 “seems to boot”

    i'm pretty sure that usb ports were changed....so i would like to check in diode mode each pin of both usb soldered on the mothgerboard...but i have not other motherboard to compare
  8. P

    [help] 820-00840 “seems to boot”

    yes i mean Thunderbolt controller !
  9. P

    [help] 820-00840 “seems to boot”

    I’m 100% sure that they have changed usb ports….because i have found t2 shield resoldered…..so I Think there must be an hardware problem….but i have not diode mode readings for usb port
  10. P

    [help] 820-00840 “seems to boot”

    i've tried to connect an usb mouse...it doesn't work at all
  11. P

    [help] 820-00840 “seems to boot”

    i've flashed this https://drive.google.com/file/d/1LG3gKv3fU1177Qq-quX0FJbkpxxnFEwD/view now i can't here the boing sound at the start up.,,, still no ssd, and no usb till wifi frozen
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    [help] 820-00840 “seems to boot”

    I have not medusa! I have downloaded your rar, and There are 2 bin inside I have used the one with the name 820-00840 8hv22 medusa clean ME + pram.bin
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    [help] 820-00840 “seems to boot”

    I’m not able to flash 820-00840 8hv22 medusa clean ME + pram.bin I have this error https://www.dropbox.com/scl/fi/yk6h8icxv4exdjvwnewog/Foto-21-03-24-21-29-59.jpg?rlkey=o3l7nxbucr0qrln1l3mpeqk1l&dl=0 No problem flashing my dump
  14. P

    [help] 820-00840 “seems to boot”

    Is it better to clean MY bios?
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    [help] 820-00840 “seems to boot”

    could you clean my dump for me? (if is it possible) https://www.dropbox.com/scl/fi/qe3eq49ct85btonct3duf/DUMP-820-00840GIOTTINOVIDEO.BIN?rlkey=lxgp4tek1x72189vh88r6bhv4&dl=0
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    [help] 820-00840 “seems to boot”

    why you said something like this? have you a link for it?
  17. P

    [help] 820-00840 “seems to boot”

    If i write the wrong password, it not hangs, but load load load load load with no error or ends….
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