Any way to get my laptop fans to work without taking anything apart?

  1.    07 Aug 2017 #1

    Any way to get my laptop fans to work without taking anything apart?

    Recently I had the suspicion that my fans weren't running. The laptop gets pretty hot sometimes and I didn't feel air or hear the fans. Just to be sure, I downloaded SpeedFan and sure enough both fans registered at 0 rpm. I spilled milk on it back in January; luckily it survived but I think that might be why the fans aren't working now. Since this has likely been going on for months, I'm not too concerned about overheating (I usually have a fan on next to me anyway which helps keep things cool).

    However, they don't seem to be totally busted. After a Win 10 update they started working again. Audible, could feel the air, registering at ~900 rpm for one fan and ~400 for the other. Closed it later on, then opened it again to find that the fans were once again nonfunctional. I restarted the laptop and they were back in working condition. So I figured it was an issue with sleep mode or something.

    So I shut down the laptop when I was done with it. But when I turned it back on later, the fans didn't work anymore. Again. And I haven't gotten them to come back on since. I swear I can sometimes hear/feel the fans start very briefly when I start/open the laptop only to stop again. So again, I'm thinking they're not completely lost.
    So, is there any way to get them working again permanently without replacing the fans and also preferably without taking anything apart? One possible (but long-shot) fix I found somewhere was to disable C-states in the BIOS but when I go into the BIOS I don't see any option to do so. There was a "Fan on all the time" option but it didn't do anything. I feel like there's gotta be something I could do.
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  2. Berton's Avatar
    Posts : 5,877
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       07 Aug 2017 #2

    The Notebooks I've taken apart to work on or just junked only had 1 fan in them, not much room for more. And there's no other way than to look for a video on the Internet that explains how to do it as there's a lot of differences in assemblies. Most times the fans are attached to copper heatsinks or pipes and may actually be a few inches away from where the CPU is mounted on the motherboard. The disassembly process will leave you with a number of small black screws and involve taking the back/bottom part of the case of, removing the keyboard and maybe the palmrest/touchpad piece. It's not for the faint of heart and one has to be careful in prying the plastic parts away from others. If the fan doesn't work properly it can lead to premature death of the CPU.
      My ComputerSystem Spec

  3.    08 Aug 2017 #3

    what is the make and model # of the laptop? As noted, you can go to Youtube and type in your model# and type Fan Replacement. It will show you a video of how to disassemble the laptop down to the fan. You can get a replacement fan on Ebay.
      My ComputerSystem Spec


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