Question about HP Pavilion dv9000z Notebook

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I have a HP Pavilion DV9400Z CTO, Model: GD574AV laptop sing Jun2 2007. Originally came with Vista, I have reformatted twice since then, recently did install Windows 7 Ultimate, worked well for a month. Last two weeks started to hang in the middle of any process. It is not consistent; it can work for 2 hours and can hang e any time. Do you think it is hardware, or should FORMAT and reinstall the OS???? Best

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Since the laptop worked without any problems for a month after installing Windows 7, chances of a hardware problem are less.

From the description of the problem it seems that there is some malware/spyware infection or the Windows installation is damaged.

1) Kiindly download and perform a complete scan with a virus/malware removal tool.

You can download the free version of Malwarebytes Anti-Malware from:

After download and installing the program, kindly update and perform a full scan with the program.

2) If the problem persists, you will have to re-install the OS.

Hope this solves your problem. Thanks for using FixYa.

Posted on May 30, 2010

  • 2 more comments 
  • arhakobyan May 30, 2010

    Thank you for the advice. I took the laptop to HP Authorized Service Center called "REDINGTON ARABIA Ltd". In Jeddah / Saudi Arabia, they have to response by the end of day today. After I have their opinion by the end of day I will contact you again, before I agree with them for taking action.

    Thank you

  • AliTech110
    AliTech110 May 30, 2010

    Many thanks for the feedback.

    Wish you all the best and thanks once again.

  • arhakobyan May 31, 2010


    I downloaded and installed the program, Malwarebytes Anti-Malware from: as you advisede. It did not find any problem to remove, but after a wile in the midle of some work my computer hanged agin. As amatter of fact it did find some infected files on my work PC and it works better, thanks anyway.

    HP Srevice did not find any hardwear problem after performing tests. They are advising to purchase a CD from them for factory recovery performance and do the CDS( factory defoult recovery). They will get the CD from HPin Dubai or USA for my perticular machine within 20-25 days ( it will cost me 120$).

    1. Do you think I should go for the factory recovery option with HP?

    2. I am thinking of just FORMATING the computer iand istalling XP for being on the safe side insted of W7 or Vista?

    Please advice.


  • AliTech110
    AliTech110 May 31, 2010

    Many thanks for the feedback and sorry for the delayed response.

    I think formatting and installing Windows XP will be a good option. But before installing XP, kindly make sure that you have all the hardware drivers compatible with Windows XP.

    Thanks once again.



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