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    HELP! xps m1330 cpu fan too fast

    Discussion in 'Dell XPS and Studio XPS' started by vesurka, Jun 2, 2012.

  1. vesurka

    vesurka Notebook Guru

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    Just put in the new motherboard today and the new heatsink and fan. It finally boots now! Yay! However, during the dell boot screen, as it loads (slow)) the cpu fan turns on. Then a few seconds later it spins faster, then a few seconds more faster till its spinning super fast then it shuts off. What on earth could cause this? I used arctic silver 5 TIM and spread it evenly on the cpu and heatsink. Why would the fan spin that hard and then shut off like it's over heating when I don't feel any heat at all.... Please help!
     
    vesurka, Jun 2, 2012
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  2. intarweb

    intarweb Notebook Consultant

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    I saw this post earlier...but I'm not sure on what the problem is. So, it's pretty much blind guess time. Maybe the motherboard can't, for some reason, tell that the fan is on and rotating and keeps upping supply voltage in hopes of detecting an on condition? I can't remember what the pinout configuration is on the M1330 fan, i.e. is it a two-pin or three-pin?

    Another unfortunate possibility is that the motherboard is defective.

    Also, you said this one is slow too? I'm wondering if maybe you have another defective component somewhere, such as memory.
     
    intarweb, Jun 2, 2012
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  3. vesurka

    vesurka Notebook Guru

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    Okay I think I figured out what it was. I was doing the copper mod that uses a copper shim in replace of the thick stock thermal pad it comes with, but the guide on here says to use a 1.5mm thick copper piece, one I got off ebay is only .5 mm and it was not really firm as I could move it around after the heatsink was screwed in. So I took the copper out and put the thermal pad back on and it works.... Guessing it wasn't thick enough so it wasn't making contact and over heating because now it works. However I was idling at like 80 degrees celcius with the pad so I turned it off.... Don't want to cook it. Is the copper piece really too thin or was I installing it wrong? I used arctic silver tim on the gpu and heatsink with the copper in the middle. I contacted the ebay seller I got it from and told him my issue so hopefully he gives me a helpful response.
     
    vesurka, Jun 2, 2012
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  4. vesurka

    vesurka Notebook Guru

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    laptop seems to be running fine now, however ever since i put in the new motherboard my track pad is very "sketchy" and jumpy as if im lagging super bad and the keyboard doesn't recognize all my keys... i have to push almost every key like 2 to 3 times before it will show up on the screen.... so im using a usb keyboard and a usb mouse. do i need to update drivers or something? or do i have to replace the keyboard and palm rest pad....? seems like it's always somethign else with this laptop
     
    vesurka, Jun 3, 2012
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