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hi, i want complete training of how the display section works. How much will it cost ?

Whenever i tried to reball cpu in macbook or air boards , i am a failure. . It bends up on both ends. I am using ZM-R5860N bga machine. If i reflow the CPU , it's fine but not sucessful with reballing. Pls guide me with some good idea. More than 10 boards are in my place for cpu reballing and...

pls can anyone provide technical information for 820-2337-a board. In all i have 4 boards. In 2 boards all lights, power supply , fans , graphic card fan gets on fine but on display. In two boards nothing get on. when i press the diag led switch one orange led blinks for once. Pls share the...

Is there any video which can give full information of the functioning of step by step signal of the led of a 1502. (820-4924). I have dim display. Replaced brightness ic. All voltages missing. If possible pls provide how this circuit works. thanks

I have A1312(2012). I have installed dual booting , high sierra and win10. Audio is fine in sierra but no audio in win. How should i install audio in win10. Pls guide.