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I know for sure it was open somewhere else as the glue on the screen has been removed and replaced with some other different one. board looks untouched no liquid damage. Sorry I meant, reflash BIOS, I do clean ME region I actually didn't try run a windows live I will try it now to see if works

Hi everyone, I have a problem with this iMac model its very slow once I want boot it up from usb with fresh osx tried a few same on all of them. With customer SSD booting up but crashing and restarting. I've tried a new ssd but didn't get chance to install fresh osx because is not possible I...

Hi, Does anyone have bios file for this iMac and could share please. Thanks

it was flickering on all levels, but now i took it apart to replace the keyboard, that was water damaged too, and now its not flickering, i hope it remains like that

u8300 pin1 was tricky, seemed soldered, but it was not, i scratched the pcb and soldered it to the incoming trace, now display works but sometimes the backlight is vibrating

smc_lid works, it is 3.3V, measured on r5250, if i move a magnet close to it voltage drops to zero, magnet moved away 3.3V comes back now i replaced the area around lcd connectot, all component looked bad, u8300, l8300, and caps around them same, still boots on external monitor so cpu has to...

l8300 has 5v on it after 3 sec of connecting the charger cable, then in few seconds that goes away does it mean it tries to recognise the lcd but cant? its doing the same thing with another lcd

i mean L8300 has 5v sometimes,

coffee damaged around lcd connector cleaned, i replaced the lcd connector, no picture no backlight but laptop works fine, there is picture on ext monitor and boots tried another lcd, same i removed the lcd cable from original lcd, and the cable is not damaged, so that did not damage the board...

all the resistor ar ok, traces are not damaged, no water damage at all i put a new bios chip on it from another 00165 board, as far is a know at least it should power on with other bios chip, but this does the same thing, voltages come up 2x then dies

they are doing the same as well jump to 3.3 twice then zero

PM_SLP_S4_L does the same, 3.3V volt, jumos up twice then dies

PPVCC_S0_CPU jumps up to 1.8v, and a second later again, then nothing, on L7320 i measure 16ohm without removing the coil ALL_SYS_PWRGD jumps to3.3V, then 3 seconds later again, then dies in smc bypass mode at least the fan spins twice, but the measured voltages are the same

dont see any water damaged, but anyway i cleaned it properly first it did not have any voltages, not even 3.4V, after taking it apart and just testing it on the table now it has green light, 3.4V, 8.59V, 3.3V most of the time fan wont spin, but sometimes it goes in a loop, fan spins a bit...

Hi everyone, Could you please share some good suppliers for those retina screens A1706/A1708. I had tried some from aliexpress but unfortunately a few come back with lines no physical damages.. they are just dying after time with no reason.. it could be also a flex because it looks like this...

i meant i just not connected the BIL

so it turned out the new battery somehow killed the that part of the smc and the battery indicator light, and eventually the u7000 so i replaced the u7000 then the smc, and just not connect the BIL (who needs that), and it works fine now

battery connector pin 6 is 0.14v in diode mode, black probe on gnd, 0.4V only pin 4 is 1.14V, and that has 3.3v removed the protection diode d6950, same, something pulling down the line

i mean i did not reball smc on this specific macbook, just in general on a1278

smc reset, and pram reset works i had to reball the smc a few time on these a1278 macbook, could it be the smc, the customer mentioned saw spark when he replaced the battery