Cleaning cooling laptop fans

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  • myth77
    Badcaps Veteran
    • Feb 2017
    • 380
    • Croatia
    #1

    Cleaning cooling laptop fans

    I received acer predator helios 300 with overheating issue. So when i disassemble it i could see a lot of dust everywhere. To clean it proper i had to open the fans because they didnt even spin because of the dust. So i clean everything and put a good quality thermal paste...but i have the problem. One of the fans is not spining..it is trying because i can see a little move but its seems stucked. So i disassmble it again and try to clean it again with isopropil alcohol...and it worked... but for only a day. Tomorrow again not spining. Again i used isopropil alcohol to clean the vent niddle and magnets and again it worked for a day.
    Do you have any suggestions? Somewhere i read to use some sort of greas in place where fan niddle is sitting on the magnetic/housing part but i am not sure..What is your expirience on this subject?
    Thank you!
    Tags: None
    • SMDFlea
      Super Moderator
      • Jan 2018
      • 20709
      • UK
      #2
      Re: Cleaning cooling laptop fans

      I use sewing machine oil on fan spindles ,isopropyl is no good as it evaporates. Don`t put any oil on the magnet,just clean it with a cloth and isopropyl.

      .
      Last edited by SMDFlea; 07-28-2020, 01:56 AM.
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        Comment

        • krawat274
          Senior Member
          • Jun 2020
          • 53
          • Poland
          #3
          Re: Cleaning cooling laptop fans

          Hello. Maybe you can unmount fan and check it by laboratory power supply if it work correctly?

            Comment

            • mosfetratus
              Sure Not
              • Feb 2019
              • 174
              • Resistron
              #4
              Re: Cleaning cooling laptop fans

              Shot bearings. You may try to use lab supply to boost voltage, and maybe this will help loosen up things.

              Problem with these fans, there is no direct approach to clean them, they are sealed and unserviceable. And fan assembly is not removable.

              Bearings creates too much friction so stock voltage would not spin them up.

                Comment

                • SMDFlea
                  Super Moderator
                  • Jan 2018
                  • 20709
                  • UK
                  #5
                  Re: Cleaning cooling laptop fans

                  The fan rotor lifts off. https://www.youtube.com/watch?v=eTuNyfflFSo 5 min 20 sec
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                    Comment

                    • myth77
                      Badcaps Veteran
                      • Feb 2017
                      • 380
                      • Croatia
                      #6
                      Re: Cleaning cooling laptop fans

                      yes, i am talking about fan rotor...I lifted it off, cleaned, also cleaned magnetic part...and it is working..for a day..then stuck again...its trying to move..i can see little movement in a part of the second...then i clean it again...working..tomorrow not working. I guess i will have to buy sewing machine oil and give it a try...

                        Comment

                        • mosfetratus
                          Sure Not
                          • Feb 2019
                          • 174
                          • Resistron
                          #7
                          Re: Cleaning cooling laptop fans

                          Originally posted by myth77
                          yes, i am talking about fan rotor...I lifted it off, cleaned, also cleaned magnetic part...and it is working..for a day..then stuck again...its trying to move..i can see little movement in a part of the second...then i clean it again...working..tomorrow not working. I guess i will have to buy sewing machine oil and give it a try...
                          What type of oil you use for lubrication?

                            Comment

                            • myth77
                              Badcaps Veteran
                              • Feb 2017
                              • 380
                              • Croatia
                              #8
                              Re: Cleaning cooling laptop fans

                              Originally posted by mosfetratus
                              What type of oil you use for lubrication?
                              i didnt use it before...cleaning was always enough...but this time it isnt. So i will try what SMDFlea suggested.

                                Comment

                                • televizora
                                  ghettomodmaster
                                  • Nov 2016
                                  • 957
                                  • Bulgaria
                                  #9
                                  Re: Cleaning cooling laptop fans

                                  Lift the rotor and oil with thin oil. Silicone oil..Or just hydraulic oil. Put oil where the rotor goes into the stator.
                                  Useful conversions. I don't "speak" imperial. Please use metric, if you want to address me.
                                  1km=1000m=100000cm, 1inch=2.54cm, 1mile=1609.344meters, 1ft=30.48cm 1gal(US)=3.785liters, 1lb=453grams, 1oz=28.34grams

                                    Comment

                                    • mosfetratus
                                      Sure Not
                                      • Feb 2019
                                      • 174
                                      • Resistron
                                      #10
                                      Re: Cleaning cooling laptop fans

                                      Originally posted by myth77
                                      i didnt use it before...cleaning was always enough...but this time it isnt. So i will try what SMDFlea suggested.
                                      Cleaning is not enough, because bare metal creates oxides increases friction, bare metal to metal contact is also big friction. Oil will reduce friction to a minimum and will protect from oxidation. Sewing machine oil is OK, since it can handle high RPM and is good in dusty environments.

                                      a single drop of oil will be more than enough.

                                        Comment

                                        • Duranitron
                                          Badcaps Veteran
                                          • Jul 2014
                                          • 544
                                          • Philippines
                                          #11
                                          Re: Cleaning cooling laptop fans

                                          why not buy a new processor fan it will solve your problem
                                          Never stop LEARNING because life never stops TEACHING!

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