M15x internal fan mods?

Discussion in 'Alienware M15x' started by Raidriar, Dec 21, 2016.

  1. y05h1

    y05h1 Newbie

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    I don't know if anyone is still active in this thread, but I found that the Alienware 15 CPU fan looks like it might fit the M15x CPU fan. The 15 fan states 10/11CFM so I'm going to try this.

    How did this work out?
     
  2. bartuc66

    bartuc66 Notebook Enthusiast

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    As I mentioned earlier, I ordered an Alienware 15 fan. The diameter of the fan was too big to fit in the cpu fan case. Another thing to note is that the fan is about half as thick as the original Alienware M15x fans. I am still waiting for my M14x R2 fans. Aliexpress has not been a good experience so far. Two sellers didn't even bother to ship the fans out, and the returns process takes about 6 weeks. 3 months down the drain.
     
  3. MatsueMaiku

    MatsueMaiku Notebook Geek

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    I'll update you when I get a chance to get it installed. I am going to order another one from ebay this time. I have had issues with buying from Alibaba recently. I probably give it a shot within the next month.
     
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  4. MZWiZard

    MZWiZard Notebook Consultant

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    I just installed a GTX 980m and native fan control now works with the modded fan. Max temperature so far is 74 degrees C.
     
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  5. MatsueMaiku

    MatsueMaiku Notebook Geek

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    Nice, MZWiZard. I've decided to go with a 980m as well. I've got some Christmas cash to blow. I just got my fan today, btw.
     

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  6. MatsueMaiku

    MatsueMaiku Notebook Geek

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    Everything is together now. I just need to do the wiring. The fan fits and spins freely. I wish I had a soldering gun right about now. I'm taking pictures as I go.

    *Or so I thought until I got it all together and running. I remedy this in the tutorial below.
     
    Last edited: Feb 10, 2018
  7. MatsueMaiku

    MatsueMaiku Notebook Geek

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    I got it all together and working perfectly. The fan adjusts speeds automatically just fine. I'll post some pictures and tell you guys how I did it.

    It blows a LOT more air than my 5.5 CFM stock CPU fan did.

    First, pictures comparing the fans. The M14x CPU fan has a bigger exhaust than the M15x, but the fan itself is nearly the same size. Just a tiny bit bigger. internal fan comparison.jpg
    fan comparison.jpg
     
  8. MatsueMaiku

    MatsueMaiku Notebook Geek

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    I probably should have read some guides on how to do this.
    First, I thought maybe I would make some kind of taped up monster using what was left of the M14x's CPU shroud. Bad idea.jpg
    This everything was cut with rusty, old side cutters, btw.

    What I ended up doing was using the original shroud with the new fan superglued to it.
    Issues 1.jpg

    Unfortunately, this side here is really close. The M14x's bottom fan casing was too close to the edge here. It would just barely not align with the screw holes so everything had to be taken apart, cut down, and re-superglued. I recommend that anyone who tries this should be careful to make sure to cut this part back more.
    all glued up.jpg

    This is more what it should look like. (It would look better if you aren't poor like me and have to use side cutters to get the cutting done...)
     
  9. MatsueMaiku

    MatsueMaiku Notebook Geek

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    Here is a picture of it together, but there were some problems I'll get to later.
    together but problems.jpg

    I found out how to do the wiring from a guy named toto29620 who commented in an M17x thread about swapping in the same fan.

    If you look really closely where the wires come out of the motor on the M14x fan, you can see little colored dots.
    Red=power
    Yellow= RPM
    White=PWM
    Black=ground
    This means you need to match the M15x's red wire to red, the black wire to black, the blue wire to white, and the yellow wire to yellow.

    colors of the rainbow.jpg

    Wrap these wires up with some electrical tape. (I used Scotch tape...)
     
  10. MatsueMaiku

    MatsueMaiku Notebook Geek

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    I put it all together and it was working, but I was getting some buzzing from the fan blades. They were just a hair too close to the top of the shroud when in use.
    I don't have any washers, so I improvised... I chopped off the screw holes from the old M14x with my sidecutters and made them into washers.
    don't be like me. there's a better way.jpg

    Problem solved. There is actually almost no gap between the top and bottom of the shroud and it doesn't seem to affect the airflow out the laptop, but if you end up needing to use washers, you could cover this minimal gap with some tape around the outside corner of the fan shroud. No more buzzing! This thing sounds like a freaking hair dryer if you have the fans cranked up!

    Get ready to overclock!

    Best of luck to anyone else who wants to try this. It was actually way easier than I thought and seems very effective so far.
     
    MZWiZard likes this.
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