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  1. A

    [SOLVED]820-2914 dim green light (powered on once)

    Voltage on pin 2 and 3 of U7000?
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    820-3787 no display on internal or external

    I have 3v on R9600/R9601.
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    820-3787 no display on internal or external

    I haven't checked yet if U9600 is getting 3.3v on R9600 R9601 but I would assume so at this point. The only other thing I'm thinking it could possibly be is that somehow the backlight IC got fucked since it is in the area I was working in and is sending the wrong signal on the I2C bus to the...
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    820-3787 no display on internal or external

    So I checked in system profiler and it doesn't see any GPU, only Intel Iris. Should I replace U9600 or fucked?
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    820-3787 no display on internal or external

    It's the only thing in the area that could have been shorted with the probes?
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    820-3787 no display on internal or external

    Is there any chance this is BIOS?
  7. A

    820-3787 no display on internal or external

    No, I don't think any of them are coming up. PP3V3_S0GPU_MISC has ~0.38v on it if that means anything.
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    820-3787 no display on internal or external

    No, 0v on C9363. 15 ohms to ground.
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    820-3787 no display on internal or external

    How do you suggest I enable remote desktop? Boot the SSD in a working machine? I'm getting 0v on C8760 also.
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    820-3787 no display on internal or external

    I was using a working 3787 to compare measurements around L7130/L7520 when my probes slipped and shorted some things together (not sure what). The computer immediately shut down, and now when I boot it there is no display on the internal LCD as well as over HDMI with and without the LCD...
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    820-3435 not charging

    Yes it's possible.
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    Guys is this the chip or some kind of capacitor? Mid 2010 15 inch

    C9560 10char
  13. A

    [SOLVED]820-3115 no picture no back light no sound

    I bet spi rom was swapped, flash a new one.
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    820-2915-b no backlight

    Screen isn't being detected. Is it plugged in when you are measuring?
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    820-3437 no video (vcore present)

    :( U1950 has nothing to do with clock. Clock chip is U1900.
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    820-3115 CPU core appear for 1 seg

    Was it shorted?
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    [SOLVED]820-3115-b no video

    History of the device? Voltage on L9004? Is there image on the external?
  18. A

    820-3437 no video (vcore present)

    Possible issue with clock area, does it look bad? Try removing the JTAG.
  19. A

    820-2530 - Back light

    Which side of the two resistors are you checking? Resistance across R9704?
  20. A

    Why aren't 2011 A1286 GPU issues C9560?

    Has anybody tried replacing it before, like on the 2010? it seems to be a low value (2.5v) cap like on the 2010.
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