Pimp your Zalman ZM-NC1000 notebook cooler


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7 Responses

  1. Resistor – 1.3kΩ, tolerance 2%, thx for mod 🙂

  2. i use those copper tipped soldering iron but after a month or two, my soldering iron tip would just break “

  3. Cristian says:

    Nice post!


  4. Gopi Sankar says:

    Hi Niek,

    I found this really useful. Though I could see increase in the fan speed, I was not in a position see the difference in the temperature, as I have cleaned my laptop fans recently.

    Thanks for sharing the information!!

    • Niek says:

      @Gopi: Thank you. Yes, ‘overclocking’ the fans was my first try to lower the temperatures. What really helped was cleaning the fans indeed, and applying Arctic Silver thermal paste. Please browse my site in category English > Technology for an article about this.

  5. Niek says:

    Hi Bryce,
    Thank you for your message.
    I know I could just bridge the resistor as electrons follow the path with the least resistance, but I found it to be cleaner to just remove the resistor.
    I’m glad you found this tutorial useful.

    Unfortunately I didn’t see any significant temperature drop after this mod. The second mod I did (cleaning the fans of my laptop and applying arctic silver) however did! I still have to write it down, but stay tuned for part 2!

  6. Bryce says:


    I did this mod but differently. Using simple electrics knowledge, I bypassed the resistor by hooking a single wire in parallel. Same result.

    The fan is SIGNIFICANTLY noisier. I have an XPS M1330 (terrible cooling), so hopefully this will make a difference while gaming.

    Thanks for the knowledge!

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