SOUND NOT WORKING ON VIDEOS

Whenever I play videos (Ex. YouTube, CollegeHumor, Gametrailers, IGN)
the video plays but the sound does not. Yet both video and sound work with firefox. Why is this happening and how can I fix it?
I'm currently running Windows Vista 64-bit
and the latest version of Safari
and yes I have downloaded Flash.

Hi regcox2,
If you are not getting any sound on your iPhone I would recommend starting your troubleshooting with the steps in the following article -
iPhone: No sound or distorted sound from speaker
http://support.apple.com/kb/ts5180
Thanks for using Apple Support Communities.
Best,
Brett L

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Hi regcox2,
If you are not getting any sound on your iPhone I would recommend starting your troubleshooting with the steps in the following article -
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http://support.apple.com/kb/ts5180
Thanks for using Apple Support Communities.
Best,
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Converted videos not purchased through I-Tunes? Were they MPEG files by chance. Quicktime cannot converted MPEG (Muxed files). Please read these links:
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http://docs.info.apple.com/article.html?artnum=302588
Quick Time: Using MPEG 1 and MPEG 2 Files:
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My computer also recently downloaded soundflower? I didn't approve of this change
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If you lose sound for games or other apps, email notifications and other notifications, system sounds may have been muted.
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If you have the side switch set to mute system sounds, then the screen lock can be accessed in the same manner as described above.
This support article from Apple explains how the side switch works.
http://support.apple.com/kb/HT4085

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Hello,
My computer sound stopped again.
I posted previously:
http://h30434.www3.hp.com/t5/Notebook-PC-Sound-and-Audio/Sound-not-working-Notebook-Envy-15-TS-windo...
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As nobody asked me yet, I`m going to provide some additional information, hoping this can help getting me some help!
The properties device shows the following log:
This device cannot start. (Code 10)
{Operation Failed}
The requested operation was unsuccessful.
Driver provider: Microsoft
Driver date: 22/08/2013
Druver versuib: 6.3.9600.16384
Digital Signer: Microsoft Windows
The Driver File Details shows the following driver files:
C:\WINDOWS\system32\drivers\drmk.sys
C:\WINDOWS\system32\drivers\HdAudio.sys
C:\WINDOWS\system32\drivers\ksthunk.sys
C:\WINDOWS\system32\drivers\portcls.sys
C:\WINDOWS\system32\SysFxUl.dll
C:\WINDOWS\system32\WMALFXGFXDSP.dll
Beyond this files above listed, the driver details sogs these informations:
Provider: Microsoft Corporation
File Version: 6.3.9600.16384 (winblue_rtm.130821-1623)
Copyright: (c) Microsoft Corporation
Digital Signer: Microsoft Windows
More information:
If I ask to Ubdate Driver, with automatic serch engine, I get a message saying the best driver software for me is already installed and that mine driver software for the "High Definition Audio Device" is up to date.
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IPad sound not working

iPad sound not working. Need help

Is it working on any apps e.g. Music and Videos apps but not third-party apps or notification sounds ? If you do get sound in Music and Videos then have you got notifications muted ? Only notifications (including games) get muted, so the Music and Videos apps, and headphones, still get sound.
Depending on what you've got Settings > General > Use Side Switch To set to (mute or rotation lock), then you can mute notifications by the switch on the right hand side of the iPad, or via the taskbar : double-click the home button; slide from the left; and it's the icon far left; press home again to exit the taskbar. The function that isn't on the side switch is set via the taskbar instead : http://support.apple.com/kb/HT4085

HELP iPad mini sound not working

We just bought our daughter her iPad mini today and the sound just stopped working. It'll only work with headphones; we never put headphones in prior to the sound not working. I tried resetting the phone and phone settings several times, as well as plugging in and out headphones. I changed the switch on the side to lock rotate. I also turned off the mono sound thing. I am at a loss as to what else there is to do. Any other suggestions? I've been at this for a couple of hours now trying to fix her iPad. Please help!

Do you get sounds in any apps on the iPad ?
If you get sound in the Music and Videos apps but not others then have you got notifications muted ? You say that you changed the side switch to rotation lock, but are sounds muted ? The switch on the side of the iPad controls either rotation or mute, the function that it isn't controlling is set via the iPad's control centre : swipe up from the bottom edge of the iPad's screen and it's the right-most of the 5 icons in the middle of it (if the icon is white then it's 'on', tap it to turn it grey and 'off').
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After upgrade to 8.3 on my iPad, Sound not working at all, no matter which application i open there is no sound.

If you don't have sound in the music app or the videos app, try a reset. Hold down on the sleep and home buttons at the same time for about 10 seconds until the Apple logo appears on the screen.
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If I start my Mac and try to watch any .mov file, there is no sound.
However, if I open a web page, such as YouTube, and watch a video, there is sound.
Then, if I restart QuickTime and watch the first .mov file, there is sound.
Anyone have issues with sound not working.

Hey Ron,
Do you get the opening chime before the OS loads?
You might want to try downloading that QT update directly from the Website.
When you turn the volume up and down before you watch a youtube video, do you get the sound?
I take it that it's only in the .mov files where the sound malfunctions?
CMF

Why does sound not work on my Mac Air?

Why does sound not work on my Mac Air --all setting seem okay. OSX 10.9.2 operating systyem.

Open System Preferences > Sound > Output
Make sure the coorect output devices is selected and the Mute button is not checked.

AUDIODG.EXE hogging 80-100% of CPU and sound not working in Vista . . .

I posted this on a Microsoft Answers Forum but none of the techs or people reading have been able to help so far. I'm dying to get to the bottom of this:
Here is my computer:
MSI K8N Neo4 Platinum
AMD Athlon 64 3000+
2GB RAM
XFX GEFORCE 6600 GT 128MB DDR3 DUAL DVI & TV OUT (PCI-E)
200GB WD SATA HDD
500GB WD HDD in external enclosure via USB2
NEC ND-3520A 16X DVD±RW Dual Layer DVD Burner
LG CD Burner
I've been using Vista Home Premium successfully for some time. Recently, not too long after I did a clean wipe of my OS, my audio would stop working. The way it would happen is that everything would work fine until I started iTunes or another audio application and when I would hit play, things would lock up.
Upon inspection of my system resources, I'm noticing that the audio platform for Vista, via the audiodg.exe, is using close to 100% of my CPU resources, even when the computer is making no sound at all.
I've had a Sound Blaster Live! card in my computer for some time but I was not using it; I use the Realtek AC'97 audio drivers that are on my motherboard instead. I thought that the conflict may be the computer wanting to recognize my Sound Blaster, so I took it out of my computer but the problem seems to be worse.
Are there any BIOS setting that need to be adjusted for my sound to start working again?
I'm very reliant on the audio processing power of my computer (I'm in the radio industry, part-time) and this is a huge drag on my productivity.
Any tips would be much appreciated.
REPLY #1:
Thank you for using Microsoft Answers forum. I suggest going to the manufacture of your sound card and download the latest drivers and install them.
MY RESPONSE:
Good suggestion. The problem is this:
I am running on-board audio. I have an MSI K8N Neo4 Platinum motherboard which runs "Realtek ALC Series AC97 Audio Driver" and there is no version for Vista. They have a version for Windows 2K/XP and one for Windows XP 64bit.
Should I use on of those and if not, then what?
UPDATE (from me):
I took a chance and found a Realtek AC'97 driver for Vista.
http://drivers.softpedia.com/progDownload/Realtek-AC-97-Audio-Codec-Driver-Vista-6183-Beta-Download-18114.html
I went to install it and the install hung. So, I closed one of the install windows and then the InstallShield app continued like it was working. So, I hit "Restart my computer". Well, the reboot hung too. So, I reset the PC manually.
When the computer came back up, the sound worked. Hard to tell if this will fix it for good but it's promising. Chaotic. Unpredictable. Annoying.
REPLY #2:
Before you tried updating drivers, did you try rebooting 1st?
I'm just trying to determine if rebooting your system is what resolved the issue - thank you
UPDATE II (from me):
My computer is behaving the same way it was before. AUDIODG.EXE taking up 80-100% of my CPU and the sound not working.
Any other ideas?

Small update: Despite my intelligence, good looks and vast experience I use Google sometimes. To my surprise this file turns out to be a Windows one. Here is someone who is much happier, and since it is some way in my line of thinking I'll quote it, but you might take my previous advice as well:
http://forums.techarena.in/windows-vista-performance/1012315.htm
"- Open up msconfig.exe > Manage startup programs.
- Disable ALL Realtek entries
- Close msconfig.exe
- Right-click on the speaker icon > Audio devices > Speakers (properties)
- Go to the enhancements tab
- Check the box to disable all audio enhancements
- Close the menu
- Right-click on the speaker icon > Recording devices
- Disable all your microphones (yeah..., the actual problem seems to come
from voice inputs rendering..)
- Close the menu
- Restart your computer"

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Hi
Can you answer these questions please?
ichat: What We Need From You !!
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