Laptop sound problem

By Hurriken ยท 7 replies
Feb 5, 2012
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  1. My sound is not working at all and I can't figure out the problem.

    HP DV6810 Laptop
    Vista Home premium

    Symptom: Sound does not come through speakers or headphone jack. The "speaker" in the system tray has a red x.

    I tried opening the mixer but it is greyed out. I checked the device manager and there are only drivers for bluetooth. (I'm not sure what those are for). I deleted those drivers and rebooted the computer. The system recognized the sound card but only installed the bluetooth drivers again.

    Can someone give me some guidance?
  2. commandosqueak

    commandosqueak TS Rookie

    sounds like a driver issue to me. you need to download and install the latest drivers for your sound card from the manufacturers website. if you dont know who made it the download berlarc advisor. failing that all new laptops should come with a driver disk (assuming its new)
  3. Hurriken

    Hurriken TS Booster Topic Starter Posts: 231

    It is a 4 year old laptop. I downloaded the drivers from HP and while installing it indicates that the sw is already installed but when it completes installation a message pops up. "cannot locate device". I tried erasing any exsisting sound files but same result.
  4. mailpup

    mailpup TS Special Forces Posts: 7,186   +469

    When you say, "erasing" sound files, do you mean uninstalling drivers? Uninstall from the Control Panel, Programs and Features, then install fresh drivers.
  5. Hurriken

    Hurriken TS Booster Topic Starter Posts: 231

    That is what I mean but I tried that too. No joy.
  6. LookinAround

    LookinAround Ex Tech Spotter Posts: 6,491   +184

    1. fyi...Bluetooth is not your sound card.

    2. My guess is your HD audio controller failed which is why Windows says "cannot locate device". (i've seen alot of HP laptops with HD audio controller failures in these forums)

    High Def audio connects like this
    Windows <==> HD Audio Controller <==> HD Audio Devices​

    Windows can't see your HD audio devices if the controller failed (it's similar to Windows won't be able to see downstream USB devices if there's no USB controller)

    The Audio controller (when detected) is listed in DevMgr under System Devices. It's the HD audio devices that appear under Sound category. But if no controller then not possible to detect the devices that connect to it
  7. Hurriken

    Hurriken TS Booster Topic Starter Posts: 231

    I'll have a look. It may be a few days before I respond again as I will be road doggin' it and won't have that laptop with me.
  8. commandosqueak

    commandosqueak TS Rookie

    i suggest you download berlarc advisor, that will pinpoint what the sound device is. that way you can get the up to date drivers, just make sure all the old one are uninstalled. if it dont work then as others are suggesting you sound card is knackered

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