Windows 10: Why is my laptop fan on for no reason?

Discus and support Why is my laptop fan on for no reason? in Windows 10 Software and Apps to solve the problem; Just received my Samsung Galaxy book 4 laptop- windows 11, all drivers have been updated and all software updates have been completed. When I startup... Discussion in 'Windows 10 Software and Apps' started by HarryPl, Dec 1, 2024.

  1. HarryPl Win User

    Why is my laptop fan on for no reason?


    Just received my Samsung Galaxy book 4 laptop- windows 11, all drivers have been updated and all software updates have been completed. When I startup the laptop and log in the fans roar for about 2 minutes then cool down, then randomly the fan turns on and off even when I’m not doing any demanding tasks. The fan turns on for almost everything I do on the laptop and sometim

    :)
     
    HarryPl, Dec 1, 2024
    #1

  2. Laptop fan spins up to max for no obvious reason

    As stated above.

    In viewing task manager I tend to see nothing obvious that could be the cause though occassionally something like below occurs.
    Why is my laptop fan on for no reason? 6a15bdee-701d-419f-8596-db3d3fe52883?upload=true.png


    Once the fan gets going it doesn't appear as if it will stop until I shut my laptop down fully.

    Checked my fan physically and no dust.

    Replaced thermal compound between cpu and heat sink.

    Scanned with windows defender and malwarebytes to find nothing.

    Appears to ramp up randomly. Played an intensive game without issue.

    I figured it might be related to using my browser - Mozilla. Deleted all history/cookies etc, switched to edge.

    Tried to eliminate as many programs to find anything to the point of resetting win10.

    Not sure what to do now. Any ideas?

    Thanks

    Suggested so far…

    Disconnecting from internet = no change

    Process explorer = 97-99% idle

    Checking BIOS version = most up to date

    Sent in support ticket - Awaiting response

    Acquired SpeedFan - Unable to add any fan controller

    Acquired NoteBook FanControl - Able to target fan speed in steps of 25%. Will spin up to max at any stepping other than 0%. Appears as if tilting my laptop can set the fan off to max. Currently using 0% target fan to bring it back down.
     
    turbulator, Dec 1, 2024
    #2
  3. dalchina Win User
    Utility for laptop fan control?

    Note that, depending on your laptop, any direct control of the fan may not be possible. I suggested the one above as it seems aimed at laptops in particular- but I've not tried it.

    E.g. Speedfan lists no fan on my Thinkpad.

    Ok, I've now tried NoteBook FanControl for you.
    It has preset configurations for different machines: e.g.

    Why is my laptop fan on for no reason? 244660d1566928871t-utility-laptop-fan-control-untitled.png


    which for my t440s gives

    Why is my laptop fan on for no reason? 244661d1566928896t-utility-laptop-fan-control-snap-2019-08-27-18.59.18.png


    - whereas Speedfan didn't seem to achieve anything, I'm afraid. Presumably you looked at the config editor...
     
    dalchina, Dec 1, 2024
    #3
  4. Why is my laptop fan on for no reason?

    Laptop fan spins up to max for no obvious reason

    There is a video tutorial on Notebook Fan Control here that might help:



    Other tips for high fan speed on Asus here:

    https://www.asus.com/in/support/FAQ/1036402/

    [Gaming NB] How to fix Fan speed cannot be adjusted or keyboard backlit setting is abnormal | Official Support | ASUS Global

    https://rog.asus.com/forum/showthread.php?49218...(G750-JH)

    https://rog.asus.com/forum/showthread.php?11537...



    Please go back through to make sure all of the many suggestions in links provided earlier were tried.

    You could also communicate with Alfredo who creates Notebook Fan Control at the email address provided on his tool. He would be the best expert for it's use.

    Feel free to ask back any questions. Please report back results for all steps given so I know what else to suggest if necessary.

    ______________________________________________

    Standard Disclaimer: There are links to non-Microsoft websites. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before you decide to download and install it.
     
    Greg Carmack - Windows MVP 2010-2020, Dec 1, 2024
    #4
Thema:

Why is my laptop fan on for no reason?

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