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Hi guys, I got this 12 inch 2017 macbook with a totally destroyed BIOS chip... so I cannot read it and therefor cant flash it in a new chip..
I found some .bin files for this motherboard on the internet but unfortunately they are not working...
Any help will be much appreciated
Thanks !
Hi guys,
I'm working on a MB that came with a partial short an corrosion on CB300 and CB308 and had also a burned L8504.
Once CB300 & 308 were replace, PP3V3_G3H_RTC & PP3V3_UPC_TA_LDO came back but PP1V1_LDO is missing in UB300 & UB400 (PP1V8_LDO X2 are present)
Both CD chips (UB300/400) have...
Hi guys,
I got this mac with a little water damage in the QB631 area and RB641 & RB631 were replaced.
I have 20v in DCIN only with the battery connected but it does not turn on. without the battery DCIN has 5V and all LDOs are present.
checking without battery i have:
PPBUS_G3H 12.28 V...
Hi guys,
Im working on a MBpro 16" that had a little water damage around L5199 the rest of the board is clean.
L5199 was replaced but still the touch bar is not working (also tried a new one), i have BKL in the keyboard, and:
SPI_DFR_MISO_R 0.078 V
DFR_TOUCH_INT_L 0.080 V
DFR_LID_OPEN_L 0 V...
Hi guys this A1990 arrived with the right hub burned.
U3200 and U3100 were replace since they were not generating PP1V1_ LDO.
now all LDOs are present but still have 5V steady in all hubs.
PPBUS_G3H 12.23V
PP3V3_G3H_RTC_X 3.37V
PP5V_G3S & P5VG3S_VSW 0V
PMU_ONOFF_L 3.37v
PM_RSMRST_L &...
Hi guys,
I'm working on a Macbook pro 15 inch 2017 A1707 that fully works but external USB mouse and keyboard.
all the USB-C ports work, charging, Hard Disk & HDMI.
We have tried safe mode, external HD with different OS versions & different USB-C original adapters.
Magic mouse works fine as well...
Hi, this is my 1st post !
This 2017 macbook pro 15" shows low battery icon on screen powered only with the charger in all 4 tipe-C ports.
With the charger + battery, PP20V_USBC_ is pulsing from 5V to 0V on 3 ports, the port managed by UB400 gets 20V and shows apple logo for 2sec and then turns...