Question about Dell F3534 Touchpad

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Dell Inspiron 640M left touchpad key on palmrest has lost its action

Hi, my left key on the palm rest / touchpad is now so tight that I am not able to use it as freely as I used it before. The right key is just fine.

Can you please suggest how I can fix the problem?


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  • 13 more comments 
  • Anonymous Aug 22, 2008

    Same exact problem. Left touchpad button is broken

  • Anonymous Aug 25, 2008

    Same issue here.

  • pranav20 Sep 08, 2008

    Similar problem. The left touchpad key has lost the spring action. It feels as if the spring is not working anymore. The right key is working fine.

  • coquijohn Sep 08, 2008

    exactly the same problem ... i'm sending mine in for repair

  • zso0omz Sep 16, 2008

    Well yeah, same thing here and I can't really imagine how to get under the mousepad keys!!! What is Where and which?!

  • navarro502 Sep 28, 2008

    Same problem.

  • bderr3 Nov 17, 2008

    left button lost it's spring action

  • jescoromas Dec 03, 2008

    The left tochpad key on my Dell Inspiron 640M/ E1405 notebook has lost its spring action. What a pain in the ***. Can the keys be replaced or cleaned, or will I have to stick a whole new tochpad assembly in there?

    I noticed several other users have the same problem; I say class action law suit. This is ridiculous.

    If anybody has any thoughts, email me at

  • dory321 Jan 02, 2009

    Left button lost its spring action.

  • zoomboing Jan 24, 2009

    Me too. It's even worse since we have two of them. Spoke to technical support. He said that there was no way that it could break and isn't covered by the warranty. The replacement parts are $70 each just to replace a bad silicone dome. Bummer.

  • Sammie09 Feb 03, 2009

    Mine too has lost its spring. On top of that my battery on the mother board has been out for over 9 months now. Dell won't do anything about it, so does anyone have any ideas?

  • evertonboy99 Apr 05, 2009

    left hand mousepad key has lost its springback action - it still works, but its a nuisance!

  • Anonymous Apr 07, 2009

    Same problem this is my second one

  • Anonymous Apr 10, 2009

    Left button lost its spring action.

  • jatkinson122 May 16, 2009

    exactly the same problem - left button lost its spring back!


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You can check the manual at Click on 'Product support' on the left and click manuals. Choose your model and click 'view html'. click Palmrest. and it will show you how to reinstall it or get underneath the keys. If it seems defective, you can get the palmrest (which includes the keys and touchpad) from dell's spare parts sales at 877372335.

Posted on Nov 04, 2008

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There is a little rubbery connector that has broken inside the touchpad button assembly. If you've ever seen under a keyboard key, you know what I'm talking about. (Similar to: I had the same exact problem and this is how I fixed it. You can order this assembly here:
You will have to take the computer apart to do this yourself. Follow these instructions for removing the Palm Rest:
Once the Palm Rest is off, you can remove the defective touchpad button assembly and replace with your new one.
Cost: $20-25 and about an hour of your time.

Posted on Jun 25, 2010

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Click this to view the walkthrough on how to replace the palmrest. You can print it out first. Be sure to follow the safety instructions.

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