Question about HP Pavilion dv6000z Notebook

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Audio Cracks and Pops and Strange Issue With Network Adapter

Hi,

Thanks for taking a look at my issue.

I have a HP Pavillion dv6824ca Notebook PC running Vista SP1.

My problem is audio related. When I play sound from any source (internet browser, media player, system sounds) there are pops and clicks in the audio continually. They don't start after any amount of time and as far as I can tell they are random.

A very interesting thing to note however is that when I switch the wireless card off using the external switch built into the laptop and I'm disconnected from the internet there are no more popping or clicking noises in any audio at all. It's crystal clear. The same happens when I disable the Broadcom Network Adapter (4321AG 802.11 a/b/g/draft-n Wi-Fi Adapter) in device manager.

As far as I can tell I've installed all the latest drivers (but I'm willing to try the process again) I've updated the BIOS. I've also run a virus scan and my system is clean (and has always been clean) and then what I noted above about the wireless card and turning it off has been what I've done so far.

I've tried solving this problem on my own using online forums,my own knowledge, troubleshooting and HP Support but I've hit a dead end and I don't really know where to go except to you guys. HP is saying the problem is hardware based but I just can't believe that because disabling the wireless card and makes the laptop work fine. I know you get a ton of requests everyday so I try to avoid being a burden but I really need your help now.

I know problems like these don't come from no where but it seems to me that no changes were made when this started happening.

If any more information is needed I will gladly provide it and I'll check back at this thread constantly.

Thanks so much for your help.

Posted by on

  • 4 more comments 
  • 24DM Nov 06, 2008

    Hey,

    Thanks very much for your help. It means a lot and especially since you're hitting on areas I haven't checked yet.

    Unfortunately I tried to find the Resources tab for the audio device and I'm having trouble.

    I checked for the Network Adapter and it's showing a Resources tab. Seems funny I wouldn't get one for the audio device.

    For the Network Adapter there are two Memory Ranges:
    1. 00000000F2200000 - 00000000F2203FFF
    2. 00000000F2000000 - 00000000F20FFFFF

    The IRQ is:
    0x00000013 (19)

    Now something I found that I thought I should note is that there is a second device under the network adapter that is also enabled. It is a NVIDIA nForce Networking Controller.

    I took down the memory range and IRQ for this as well.

    Memory Range:
    1. 00000000F2588000 - 00000000F2588FFF
    2. 00000000F2589C00 - 00000000F2589CFF
    3. 00000000F2589800 - 00000000F258980F

    IRQ:
    0xFFFFFFFC (4294967292)

    I'm not sure if that really makes a difference I just thought I should provide as much information as possible.

    If there is another way to find the I/O Range and IRQ for the audio device (Conexant High Definition SmartAudio 221) I will definitely try it.

    Thank you very much for your help,

    Dylan


  • 24DM Nov 07, 2008

    Hey Benimur,

    Thanks for all the help so far. This is best I've felt about fixing this problem in a long time so you have no idea how much this means to me.

    I took a look around at some more places and I found a really interesting post on this website that describes exactly what I'm experiencing. So coming back to FixYa and reading your comment makes perfect sense to me. I really want to go ahead and try and change the IRQ to see if that will fix my problem but I've never done that on any computer so I don't actually know how.

    If you could point me to a website that explains this or if you have the time to explain in your own words I would be really grateful.

    Dylan


  • 24DM Nov 09, 2008

    Hi again,
    Once again sorry for the delay in getting back to you. I have work and school so sometimes it's hard for me to stay on top of things.

    I went into the BIOS tonight and was looking around. It seems that HP doesn't want me to change very many settings because what I found there was extremely limited. I was really only restricted to setting the date and time and running diagnostics and I was doubting there would be anything on IRQ's or disabling the ACPI in the diagnostics. I'm very certain I didn't miss anything in there but if you think I overlooked something just let me know.

    I looked around a bit more and I took a look at the device manager with hidden devices shown. Not sure I waited until now to try that but I did.

    What I found wasn't a hidden device, I just hadn't thought to look in the Batteries list before. Under Batteries there is a device called "Microsoft ACPI-Compliant Control Method Battery." Now I'm just a tad worried about disabling this because I'm not too sure what it would do but it does say a little about ACPI so I'm not sure. I just don't want to void my warranty just in case I do have to send the laptop in for repairs.

    Thank you for your help once again it means very much to me.
    Dylan


  • 24DM Nov 11, 2008

    Hi Benimur,

    Your advice was great, it's just that I'm not 100% sure where to go to disable ports. I opened up Device Manager because I was sure they where there but there was no listing even when I showed hidden devices. So I have no idea if I'm looking in the wrong place or if HP doesn't allow me to disable Ports. At this point I'm actually quite frustrated with HP and I will probably be building my own Laptop in the future so I don't have to go through the process of uninstalling all the excess software that came with the system and have anymore of these problems.

    So if you are out of ideas for me I'm quite alright with that. I'll rate you four stars for the tremendous effort you gave because you really did. I realize I probably didn't help much having so much trouble finding things in the BIOS and such.


    I think I'm going to take my laptop to either a buddy of mine who fixes
    computers or a local shop and then ship it off to HP if the audio
    problems are still there after that. If you have any other suggestions feel free to let me know.

    Thanks again,
    Dylan


  • 24DM Nov 12, 2008

    I took a screenshot of my device manager and there is no location for ports. Is there another location I can go to edit the ports?




  • 24DM Nov 12, 2008

    I checked the driver you linked me to and it's actually for the XP version of Windows. I have Vista SP1. I didn't choose Vista by choice. It came preinstalled with the laptop. I was pretty content with XP when I had it. The drivers for my audio production equipment worked perfectly but I had to stop that when I got the laptop.

    I'm not too sure where to look for a similar High Definition audio driver but for Vista seeing as it wasn't on the page with my driver listing for my version.

    Thanks


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  • 6,966 Answers

Hi,

Interesting issue. Let's try the simple ones first:

  • Right click on My Computer, left click on Properties, Hardware tab, Device Manager button;
  • Expand Sound, video and game controllers;
  • Right click on the Audio Device and left click on Properties;
  • Click on Resources tab and note down what I/O Range and IRQ is being used by the Audio Device;
  • Do the same for the Wireless card and the Networking Card.
A few ideas:
  • It is possible that these devices are sharing a single IRQs;
  • Pls check if at all the system will allow you to Change Settings;
  • I am not sure if the BIOS/CMOS would allow you, but in some instances you could also reserve IRQs. Normally, Audio Devices uses IRQ5 while LAN uses 9, 10, or 11. Since XP though, IRQs used are relatively higher.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Posted on Nov 05, 2008

  • 3 more comments 
  • Louie  Role
    Louie Role Nov 06, 2008

    For the moment, could only think of two (2) things to try based on your recent post:


    • see if you can reserve IRQ 5, 9, 10, 11 in the CMOS/BIOS; and/or

    • see if you can change the IRQ of the networking card to anything other than 19.
    In the meantime, am still checking other possible options.

    Cheers.


  • Louie  Role
    Louie Role Nov 07, 2008

    Many thanks for sharing that site, very enlightening.

    Have you tried to disable/remove ACPI in the BIOS/CMOS? It was also suggested in the same site. You need to reboot, at one instance, you would be asked to enter Setup, press F2 and you would be displayed with the CMOS/BIOS settings/configuration. Each model/version has a unique BIOS/CMOS setup and therefore I could not give you the step by step. Try to poke around and see where the ACPI feature is, disable that. Additionally, see if you can reserve some IRQs like 5, 9, 10, 11.

  • Louie  Role
    Louie Role Nov 09, 2008

    The "Microsoft ACPI-Compliant Control Method Battery" would not help us resolve the issue. The ACPI that we are concerned with involves allocating shared IRQs and extending the standard IRQ to over and above 15.

    There are actually a number of ways of forcing the computer to:


    • shift from ACPI PC to Standard PC;

    • force changing of IRQs.
    However, I am honestly hesitant since most steps involve changing the whole hardware package as presented to the OS and in some cases, a repair/-re-install of XP would be required.

    For the time being, let us try the safe ones:


    • if you are not using COM1 Communication Port, pls disable;

    • if you are not using Printer Port LPT1, likewise disable.
    The idea is to free up some of the lower IRQs to be used by the other devices rather than be assigned higher/sharing IRQs.


  • Louie  Role
    Louie Role Nov 11, 2008

    Appreciate the rating. Sorry for the delay, kinda busy with the day job. In any case, pls reference below image of Device Manager location of COM1 & LPT1.



  • Louie  Role
    Louie Role Nov 12, 2008

    could not think of anywhere else the the COM and LPT1 ports maybe, being a relatively new laptop, it is possible that they no longer exist.

    Noticing that audio is a High Definition by Conexant, may I ask if you have installed the "Microsoft Universal Audio Architecture (UAA) Bus Driver for High Definition Audio," before installing the actual Conexant driver(s)? Pls reference this page.

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