Windows 10: Only one side of laptop fan working

Discus and support Only one side of laptop fan working in Windows 10 Drivers and Hardware to solve the problem; After disassembling and reasembling everything together, only right fan is working, and is going on full blast. I disconnected the right fan cable to... Discussion in 'Windows 10 Drivers and Hardware' started by winhelper, Feb 17, 2018.

  1. winhelper Win User

    Only one side of laptop fan working


    After disassembling and reasembling everything together, only right fan is working, and is going on full blast. I disconnected the right fan cable to see if left fan is working, it is working after I disconnect the right fan. But when connected the right fan back, the left stops working and the right is on full blast. Why is this issue happening, does it have to do with bios?

    :)
     
    winhelper, Feb 17, 2018
    #1
  2. OzzyRobba Win User

    System Malfunctions?

    Thank you for the help! My fan is working at its proper speed Only one side of laptop fan working :) I say fan because only one of them works now so one side is ice and the other side is molten lava. Is there anyway i can go back to windows 8? I am not happy with 10. I appreciate your help
    and time, thank you.
     
    OzzyRobba, Feb 17, 2018
    #2
  3. miellie Win User
    only one side of the earphone is working

    Hi i have Microsoft Lumia 535 Dual sim .my problem with it is that only one side of the earphone is working.i hv tested the earphone from other phones they work fine both sides only on thiss Lumia one side is working

    any advise pls ...

    thank
     
    miellie, Feb 17, 2018
    #3
  4. Only one side of laptop fan working

    Emmmmmmmmmmm, I have to ask ...... are you SURE you assembled everything correctly? Why the need to disassemble in the first place? Was it doing this BEFORE the disassembly?
     
    indianacarnie, Feb 17, 2018
    #4
  5. winhelper Win User
    I was cleaning out the system. Yes I'm 100% sure I assemble everything correctly, I unplug the right fan to see if the left one is working and it is, but they don't work in tandem. No it wasn't doing this before.
     
    winhelper, Feb 17, 2018
    #5
  6. Well, .............................. seeing as to how it wasn't doing this BEFORE you disassembled it ............. and it is NOW ............ I would advise you to try it again because its pretty obvious you didn't reconnect something and/or joggled something. No, its not a Bios issue.
     
    indianacarnie, Feb 17, 2018
    #6
  7. winhelper Win User
    Is weird that only one fan is working at a time. Both fan are working as I tested. Could it be a battery issue, sending too much pwr to one side of the fan. I have the asus gl502vs, does it have to do with battery setting and graphic card optimus setting
     
    winhelper, Feb 17, 2018
    #7
  8. TV2
    TV2 Win User

    Only one side of laptop fan working

    I disassembled a few laptops in my day, can't recall ever seeing one with two fans. Love to see a pic.
    Is this a gaming laptop? Could the second fan be for the video chip?
    If so, then it could very well be a fan setting that has changed. So let's not rule that out right away.

    What is the brand and model number?
     
  9. winhelper Win User
    Is the asus gl502vs, you can search the internal up on gl, I also think is the sw setting but can't figure out why
     
    winhelper, Feb 17, 2018
    #9
  10. TV2
    TV2 Win User
    I just looked through the users manual for that machine and the BIOS settings. I do not see any Power Settings for fans.
    You could reset the BIOS Defaults just for good measure. Just be sure to note any system changes that you have made manually so you can set them back afterward.

    You could scan any Asus utilities installed on the laptop that might have anything to do with cooling, fans, or power control. But I doubt this is an option.
     
  11. winhelper Win User
    There's no sw to control pwr or fan.I already reset the bios and still issue persists.
     
    winhelper, Feb 17, 2018
    #11
  12. TV2
    TV2 Win User
    Then I have to agree with the others that the problem is mechanical: something that happened during the disassembly and reassembly. You will need to check everything carefully. Look for power headers installed reversed (rotated 180 degrees).
     
  13. winhelper Win User

    Only one side of laptop fan working

    I didn't mess with the pwr or battery, I only took the fan out and clean it
     
    winhelper, Feb 18, 2018
    #13
  14. TV2
    TV2 Win User
    And when you took the fan out to clean it, it had a 4 prong power header attached to the motherboard.
    That is where the problem could lie.
     
  15. winhelper Win User
    So you are impling that I didn't plugged the cable back? I connected both of the fan cable back to the connector. Like I said in the test, when I unplug the right fan cable, the left fan is working, when I plugged back the right one, only the right one is working
     
    winhelper, Feb 18, 2018
    #15
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Only one side of laptop fan working

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