Question about HP Compaq nc4200 Notebook

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Bluetooth cannot be enabled

Bonjour I have a HP Compaq nc4200 laptop with integrated Bluetooth, and I can't get it to be activated. In Device Manager, I have an entry for Bluetooth Enumerator, but the drop down bow where you can enable or disable it, is actually grayed out. I also can't get it enabled via he HP Wireless Assistant utility. I downloaded drivers from HP site for the nc4200, so I'm sure the drivers are correct. Any ideas are gratefully appreciated. Merci beaucoup ! Krystyna (Paris, France)

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  • krysdem Apr 12, 2009

    Merci for your reply, PlatoAu.

    But not possible, as I have very limited options to choose from in the Device Manager.

    I am missing Update Driver, Uninstall and Disable in the right click menu.

    The only way to uninstall Bluetooth is to do so via Add/Remove Programmes.

    I have also downloaded the HP Diagnostics utility, and it doesn't even find a Bluetooth Adaptor.

    I have physically opened the little door on the casing, and can confirm I have a little chip in there that looks like Bluetooth, but maybe it is "Hors Service" (out of service)

    Oh la la !

  • krysdem Apr 12, 2009

    Ok, I will try the PC Wizard.

    Thank you.

  • krysdem Apr 12, 2009

    Yes, it is enabled in BIOS, together with WLAN/LAN switching and WIFI.

    No sticker on the bottom of laptop mentioning Bluetooth.

    And PC Wizard finds nothing about Bluetooth.

    Maybe I will further investigate the chip itself, and try removing the little cable and then reattaching it ... it is tiny but a nail file should help !

    I have 98% convinced myself that the Bluetooth Adaptor is faulty.


  • krysdem Apr 12, 2009

    This is a laptop installed in French, so I don't have Wireless Zero Config.

    The closest I have is "Configuration automatique sans fils", which means Wireless Automatic Config ... but whether it is the same as Zero Config ???

    And yes, the blue wireless light is on, and my wifi Internet is working perfectly.



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  • 67 Answers

Try ... uninstall driver from "device manager",


It will probably load ok. hopefully.

let me know

Posted on Apr 12, 2009

  • 1 more comment 
  • Paul
    Paul Apr 12, 2009

    Has the laptop got a sticker on the botton saying bluetooth?

    download a program (free) called "pc wizard", and it will show you what devices and the model of each device in you system

    hope you get it sorted :)

  • Paul
    Paul Apr 12, 2009

    hey krysdem.

    Have you enabled it in your bios?

  • Paul
    Paul Apr 12, 2009

    Is there a blue light on your switch cover where the wireless button is?

    Is Wireless Zero Config service turned on in Windows services (Start
    > Run > services.msc)? This is required for wireless to function.



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