How can I restore the sound after upgrading to Windows 7?

Laura Doughty April 21, 2011
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I, like many others, have lost my Output Audio Device after converting my laptop from Windows XP to Windows 7. There are no drivers, devices, controllers, etc. I’ve run the updates, downloads, installs, dxdiag, PIRIFORM SPECCY. I can run video, but with no sound. The specs that I can find are as follows:

HP Pavilion zd8000 (EC308UA#ABA) Bios Ver 1.00PARTTBL
Old op system Windows XP 32-bit
New Windows 7 Home Premium 64-bit
Device tree says ACPI x64-based PC
Motherboard is Quanta Model 3082
Version F.33
Hard Drive TOSHIBA MK1031GAS ATA Device
Partition #0
Partition ID Disk #0
Disk Letter C:
File System NTFS
Size 93GB
Used Space 57GB (61%)
Free Space 36.5GB (39%)

Also I never got an error when installing Windows 7 saying that the file system was NTFS, and I can’t redo anything about that. What else can I tell you or should I just send a cc of the .txt file with all my dxdiag and speccy? I also had a heck of a time getting Google Chrome to install, and now can’t be seen or connect to the Homegroup my husband set up so we could share printers.

  1. Cageant
    September 12, 2011 at 11:33 am


    Scan for recent hardware
    Scanning might
    find new devices attached to your computer and install

    Detection details

    Installed audio devices
    This file contains the details
    stored in the registry for all installed audio devices.
    File Name:
    Collection information
    Computer Name:
    Windows Version:
    Monday, September 12, 2011 1:29:34

    Publisher details

  2. Ergys Ura
    April 27, 2011 at 10:45 am sorry but the "," broke messed up the link

  3. Ergys Ura
    April 27, 2011 at 10:44 am

    Laura , i advise you try this link ,, perhaps its not only your audio driver that has a problem but with this link i just gave you, you can download a driver pack with all the available drivers for all laptops and pcs, 32 bit and 64 bit, see if it helps.

  4. Kire
    April 21, 2011 at 10:04 pm

    Download the HP Compaq nx6125 Notebook PC*-* Conexant AC97 Audio Driver for Microsoft Vista (32-bit) - HP Business Support Center ( Extract but dont install. Go to c:swsetup and rename the 2 files: camc6aud.sys and camc6hal.sys to camcaud.sys and camchal.sys (in short, remove the 6 from the filename) and copy them to c:windowssystem32drivers and restart the laptop.

    • Laura Doughty
      April 22, 2011 at 12:11 pm

      I had my fingers crossed no avail. Here's what I get when I start up now:
      Detection details

      Installed audio devices
      This file contains the details stored in the registry for all installed audio devices.
      File Name: Registry log.reg

      Collection information
      Computer Name: LAURAS-PC
      Windows Version: 6.1
      Architecture: amd64
      Time: Friday, April 22, 2011 6:42:09 AM

      Publisher details

      Troubleshoot problems that prevent your computer from playing or recording sound.
      Package Version: 1.0
      Publisher: Microsoft Windows
      Playing Audio
      Play sounds and other audio such as music files.
      Package Version: 1.0
      Publisher: Microsoft Corporation
      Hardware and Devices
      Use hardware and access devices connected to your computer.
      Package Version: 1.1
      Publisher: Microsoft Windows

      The Registry log.reg reads:
      Registry Error:
      Cannot import C:UsersLaura AdministratorAppDataLocalElevated Diagnostics25504353602011042211.000Registry log.reg: Not all data was successfully written to the registry. Some keys are open by the system or other process.

      Was I supossed to delete the other system32 drivers? Also, when I went to c:swsetup I found 2 (SmartAudio)numbered files (SP35558 & SP34634) each containing the same 2 system files you said to change. I changed them in both but copied only one of them into c:windowssystem32drivers.

      My whole process was following guidelines from Microsoft - Upgrading from Windows XP to Windows 7, and using their Windows East Transfer download. I only had a Windows 7 "64 bit" install disk even though XP was a 32 bit version but I downloaded the For Windows XP 32-bit as recommended. I probably should have just formatted my hard drive and started from scratch, but now my husband and I have both used the install disks and are only allowed one more time (if that) before we have to repurchase them.

      • Kire
        April 22, 2011 at 2:35 pm

        Try in command prompt this command SFC/SCANNOW..

        • Laura Doughty
          April 24, 2011 at 11:40 am

          Here's what it says:

          Microsoft Windows [Version 6.1.7600]
          Copyright (c) 2009 Microsoft Corporation. All rights reserved.

          C:UsersLaura Administrator>sfc/scannow

          Beginning system scan. This process will take some time.

          Beginning verification phase of system scan.
          Verification 100% complete.

          Windows Resource Protection did not find any integrity violations.

          C:UsersLaura Administrator>

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