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Thanks for the infos, I am getting this one which is showing very advanced and easier to deal with , Let me know if its adviceable. BY-U301 DATA ASSISTANT FOR MACBOOK READ WRITE BACKUP REPAIR

What device do you use to flash U2890?

Right , I said the same thing too , since its booting properly, I will check voltage and diode mode on SCL/SDA lines of battery bus , then Q6950, For U2890 I don't have any dump files here to flash it , do you have another way of doing so?

I Have uploaded the video on Youtube and sent you the youtube Link .

Any Ideas Yet on why that behavior ?

here s the video link below.

Still waiting on getting the unlock password from the client, but in the meantime i wanted to bring this to your attention i have also made a short video , since I changed U2800 and U6903, all voltages are normal but even the macbook is turning on without going off when battery is connected ...

How do i find out about the beta software ? Also getting the Macbook in DFU what will that do ?

UPC_I2C_INT_L. in voltage mode its 1.8V and in diode mode 0.445

Yes only boot from battery I will check UPC_I2C_INT_L. , do i check voltages and Diode mode.

I did not see any error ,since its not even showing a charger is connected.

I uploaded a short video , but one thing that I can see, with battery connected its 5.13V on USB meter and 0 amp and zero watts, and with battery disconnected its 5.13V 0.24 Amp and 0 watts but and not boot.

Here s a short video of the computer.

Yesterday I did not get to assemble the computer back together so Today I assembled it to check if the computer was in dfu mode , I first pressed the power button and the computer actually powered on normal with all the functions properly working , like , keyboard , screens backlight of the...

I have not gotten it in dfu mode yet , But I will try that.

I had to order U7800 Chip new, they came in today and I removed and replaced U7800 but still 5.15V on my USB meter , here s the current voltages that i am getting at U7800 U7800 VOLTAGES P3V3=3.3V LDO0_IN = 1.1V LDO1_IN = 3.3V LDO2_IN= 1.8V VIN_RTC = 3.3V LDO 0 = 0.8V LDO1 = 3V LDO2=1.2V...

ok. I ill try that

But Funny thing is , I Have tried 2 other hard drives and they booted very fine , that was why i was not pointing directly at the gpu, I have also purposely inserted a Hard drive without any OS on it and it read that the Hard drive was blank, Let me know if that could also be the Cable join...

Great, I was able to replaced the connector , and BOOM display starts working , but there s another little issue , I wouldn't read certain Hard Drive. it would load to 85% and give a white screen then restart. Any suggestions ?