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Why does sound work with Media Player but not with IE or system sounds?

By bamac86 ·
Dell Inspiron 6000 ( years old)
OS: Win XP Media Center
Sound: SigmaTel C-Major Audio

Nothing was working, no sound at all... so I went into Dev. Mgr. and disabled and then re-enabled the sound card. This caused the sound to begin working with Media Player, but it will not work with anything else, such as system sounds or YouTube on the web, etc.

Things I have tried: I have gone into the Advanced Sound settings to make sure nothing is set to mute. I checked the driver, but it tells me I have the most current driver installed. (Side note: I just had my LCD screen replaced as the old one was going black on me. Once I received the computer back, I also tried to clean it up a bit by uninstalling some unused programs, running the defragmenter, and purging the temporary files. Could this have affected the sound?)

Any thoughts about a fix would be greatly appreciated!

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All Answers

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Partial fix...

by bamac86 In reply to Tried all of the above

I found this link:

http://www.mydigitallife.info/2007/08/15/adobe-flash-no-sound-wavemapper-trick/comment-page-2/#comment-556062

which gave me part of a solution. I was missing a driver file from my c:\windows\system32 called msacm32.drv. I searched for it elsewhere on my computer and copied it into the c:\windows\system32 folder and voila! I now have sound from YouTube and PowerPoint (two very key apps that I use A LOT.)

However, I still cannot control the volume, play, pause, stop, etc. from my onboard keys. I must find a fix for that, but for now I am glad to have sound restored at least. I did get the volume control icon back into my system tray, but the buttons on the front of my laptop will not control anything.

Thanks for all the help.

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Being a notebook

by Jacky Howe In reply to Why does sound work with ...

and not having an XP CD and possibly only a recovery CD I can't suggest doing a sfc /scannow or a Repair Install. Have you tried a System Restore to the earliest available Restore point.

The only other suggestion that I can offer at the moment is to Backup your Data and do a reinstall of the Operating System as it sounds like there are some critical files missing.

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Another thought < missed the T >

by Jacky Howe In reply to Being a notebook

Ok lets check the BIOS to see if the sound is set to Auto, Auto under OnBoard PCI devices control. If it is disabled change it to Auto, Auto.


I don't know if this will work but try installing a codec pack. Download K-Lite Codec Pack: http://www.free-codecs.com/K_lite_codec_pack_download.htm

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My tuppence worth ...

by OldER Mycroft In reply to Why does sound work with ...

I've read the entire thread and just realised something - you originally posted that you had "tried to clean it up a bit by uninstalling some unused programs".

I used to have a Rock Xtreme that had media control keys on the outside of the laptop chassis, and whenever I ran the Disk Cleanup utility (to uninstall seldom used or unused programs) as part of the Clean-Up, it always deleted the control program for the media keys!

I reckon that's probably what's happened to your DELL. If you can, get hold of your Inspiron 6000 Drivers Disc, and have a rummage through it for Media Controls (they might be called something like 'Hot Keys' or 'Onscreen Buttons' or something equally inane).

It used to annoy the **** out of me that I kept having to re-install drivers that the clean-up routine had deleted.

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