How can I take the fan out of a laptop computer?

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  1. Posts : 160
    Windows 7
       #1

    How can I take the fan out of a laptop computer?


    Hi! I have a laptop computer (HP 635, and has Windows 7 system) that has been sitting here for several years, unused - because it has an overheating problem - and the fan needs to be either cleaned or replaced. I have taken all the screws that I can see in the back out. I was able to remove the rectangular lid in the middle, and the L-shaped one, but I couldn't see any fan in them. It's hard to pry the back off and I'm afraid of cracking it if I use more force than what I've used in trying to get it off. Should I give up on it? It would need a new keyboard too if I am to ever use it again, as I took off keys to dust underneath and wasn't able to get the spring kind - at least - put back on. I have lost keys by now too. So what's your opinion? Thanks! By the way - here's a picture I took of the backside - I'll send it as an attachment with this message.
    Attached Thumbnails Attached Thumbnails How can I take the fan out of a laptop computer?-back-hp-635-laptop.jpg  
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  2. Posts : 2,774
    Windows 7 Professional 64-bit
       #2

    Have you already tried canned air to clean the vents?
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  3. Posts : 2,246
    Windows 7 Pro SP1 64 bit
       #3

    I'm curious as to why he thinks it's an overheating problem.
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  4. Posts : 374
    Windows 7 Home Premium
       #4

    You need to remove the other two covers and remove the rest of the internal screws.
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  5. Posts : 636
    Windows 7 Home Premium x64
       #5

    Debby said:
    Hi! I have a laptop computer (HP 635, and has Windows 7 system) that has been sitting here for several years, unused - because it has an overheating problem - and the fan needs to be either cleaned or replaced....
    Here is the service manual for your HP 635. The fan/heatsink removal procedure starts on page 78.

    http://h10032.www1.hp.com/ctg/Manual/c02834036

    It would need a new keyboard too...
    Page 53.




    For a slightly less intrusive (but perhaps riskier) 'fix', I have a Toshiba laptop that started to throttle back the cpu speed on heavy use. As a last resort, being unable to find a way in, I used a vacuum cleaner with the crevice tool attachment and applied it to the outlet vent while the fans were running.

    This improved the cooling dramatically while the suction was aiding the fans, but it also seemed to have sucked out enough fluff/dirt for the fans to cope unaided afterwards.

    As I said, a 'last resort' option that risks doing more harm than good - use entirely at your own risk!!!
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  6. Posts : 160
    Windows 7
    Thread Starter
       #6

    Hi! Thanks for the manual for the laptop! I'll download that and take a look. I'm sure it has an overheating problem as the computer repairman I took it to years ago - said it did and that I should either use an exterior fan or buy a new fan. I should have bought a new fan, but didn't as I wanted to save on cost by trying to fix the problem myself. And I didn't want the noise of an exterior fan running.

    So for now, I'll take a look at that manual. Thanks to you all for your efforts to help!

    I forgot to say that I've had good luck with having my husband blow out my laptop computers with his air compressor. But it didn't help that one, as it was in too bad of condition.
    Last edited by Debby; 14 Oct 2019 at 12:30. Reason: More to say
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  7. Posts : 160
    Windows 7
    Thread Starter
       #7

    Hi! I tried just now - to take the lid apart and it still wouldn't budge. I think I'll just give the laptop computer away to a relative who says he's replaced computer fans before.

    By the way, I think I should explain to you why I think having my husband blow out my laptop computers now and then is basically harmless - is probably because we don't take it apart. He just puts the nozzle against the air vents to blow out whatever will might come out. It always helps, in my case at least. You can bring this to a close now. Sorry for the bother!
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  8. Posts : 636
    Windows 7 Home Premium x64
       #8

    Debby said:
    ...I think I should explain to you why I think having my husband blow out my laptop computers now and then is basically harmless..

    Sucking with a vacuum cleaner is probably 'safer'. With the fans running as you suck at the exhaust vent you should be helping the dirt find its way out rather than risk blowing it further into the machine.
      My Computers


  9. Posts : 160
    Windows 7
    Thread Starter
       #9

    Hi! Oh ok maybe you're right! I'll plan to try that another time. Thanks!
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  10. Posts : 2,774
    Windows 7 Professional 64-bit
       #10

    With any laptop, I always have an external usb-connected cooling assembly -- it prevents laptop getting hot and suddenly shutting down, with the assembly, it will eventually get real warm, however, it still runs.
      My Computer


 
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