Asus n56jr NOT BOOTING

Discussion in 'Asus' started by Desosx, Mar 11, 2018.

  1. Desosx

    Desosx Notebook Enthusiast

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    Hello guys, I need a bit of help...
    Yesterday I decided to clean my notebook fans because it was overheating too much (92/93 °C after half an hour on pubg playing at 1280x720p everything set to low).
    It's not the first time that I clean my fans, so I managed to do that pretty quick using only a soft brush.
    After I assembled my notebook again, the pc will not start without giving any sign of life (The fan is
    not working, neither the leds on the Off/On button, no BIOS)
    At the beginning, I thought that I missed the AC connector or the On/Off connector, but I double checked and everything is in the right place... and that's where the nightmare started.
    I really tried everything that I could have think of, I need suggestions on what to do now, thank you in advance.
    I tried:
    1) Changing RAM slot, removing the RAM for an hour and let it rest, replugged again.
    2) Using another RAM from my friend that works at 100%
    3) Pushing the On/Off button for 60 seconds in order to discharge any static charge
    4) Checked the tension on the mobo and the AC PSU works, giving 19.5V to the mobo
    5) Checked if the On/Off button is working, and it works, with a 3V stable that decreases to 1.5V if clicked
    6) Removed the CMOS battery, did the pushing of the On/Off button again, tried booting with and without the CMOS battery
    7) Tried booting without the SSD
    8) Tried booting without touchpad/keyboard/speakers etc connectors plugged
    9) I have Removed the heat pipes of the CPU and GPU, and I noticed that the thermal paste was out the die of the CPU, going towards some pins of the CPU. I cleaned the thermal paste from the CPU pins tried booting but nothing happens again
    10) The external battery was not on the PC all the time, it was removed before starting the cleaning
     
  2. Desosx

    Desosx Notebook Enthusiast

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    With "PINS" of the CPU I mean this
     

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  3. Danishblunt

    Danishblunt Notebook Virtuoso

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    Looks like very dry thermal paste, did you apply new thermal paste?
    I don't think u'll have to worry.

    Apply new thermal compound, then remove the CMOS batter, AC, Battery, holdthe powerbutton for 30 seconds, reassemble the whole thing, then try again.
     
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  4. Desosx

    Desosx Notebook Enthusiast

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    I cleaned the chip removing all the thermal paste, and did what you said but still not booting...
    ( I know that is risky to not have thermal paste at all, but there is a little bit left on the heatsink, and if the pc wakes, I will immediately shut it down)
    I mean... even without thermal paste it should boot, right?
     
  5. Danishblunt

    Danishblunt Notebook Virtuoso

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    Well it should. However your thermal paste is completely dry, you need to repaste it. Also the behaivior you're experiencing can be caused by your notebook being in a thermal shutdown state. I've had this with many notebooks, when the notebook gets really really warm it shutdowns itself or I shutdown manually with high temps and it will not turn on again, usually a full disassembly and reassmbly resets everything for me and the notebooks want to start again. I doubt you broke anything, so I don't think you should be scared of any defekt, the notebook simply acts like it wants right now.

    It can also be some anti static measure, so try to take your notebook, take a towel and wrap it insde the towel. Leave it for an hour and see if it will startup again. This is a common solution for some notebooks that are noitorious for acting up like yours.
     
  6. Desosx

    Desosx Notebook Enthusiast

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    What should I wrap in the towel, only the mobo or the entire barebone with the mobo inside?
     
  7. Danishblunt

    Danishblunt Notebook Virtuoso

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    People usually wrap the entire notebook in it.

    I disassemble the whole thing since it takes less time. Rmemeber to remove battery etc. when wrapping it in.
     
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  8. Papusan

    Papusan JOKEBOOKS = That sucks!! STAHP! Dont buy FILTH...

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    Have you tried boot up without ram inside to trigger Post errors?
     
  9. Desosx

    Desosx Notebook Enthusiast

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    Yep, still no signs of life (no fans, no beep, no leds, nothing at all)
     
  10. Papusan

    Papusan JOKEBOOKS = That sucks!! STAHP! Dont buy FILTH...

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    Have you checked if there is a correct/special procedure to reset NVRAM for your model? I would ask in the proper threads/forum. I mean Asus own forum.
     
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