11-26-2009 07:23 PM
Today, the red touchkey icon above the function keys indicating the sound is muted was activated and I cannot deactive it; i.e. I cannot unmute my computer, and thus no longer have sound. I can unmute the sound via the volume control, but the red icon still stays on. If I press it the mute shows up again on the volume control. Any help would be appreciated.
HP Pavilion dv4-1465dx
11-27-2009 07:28 PM
Go to Control Panel -> Devices Manager -> Audio, Video and Games controllers
Find there IDT audio and roll back drivers for it.
Reources:Roll Back Troublesome Device Drivers in Windows Vista
12-05-2009 02:47 PM
OK every one i read some more and i think i found out how to fix the problem with no sound:
1 go to Control Panel
2 go to Device Manager
3 go to Sound, video, and game controllers
4 double click the IDT High Definition Audio CODEC
5 go to Driver on the top of the IDT screen
6 click Roll Back Driver...yes it takes away the most recent update but it worked for me
7 after it is done rolling back go back to the IDT screen and go back to driver and click the Update Driver... button...don't interrupt it let it do a search and update
if after those steps your audio still doesn't work properly then i cannot help any further
hope your sound comes back
12-26-2009 06:50 PM
I have the same problem. HP Pavilion dv9525en. Windows XP x32. The sound mute/unmute button is red all the time. The audio device seems to be ok, audio drivers seem to be ok, touchpad driver reinstaled. whn i push that button an icon appears on the desktop, showing the speakers to mute/unmute and also volume + and - controls also show up on the screen, it reflects in the volume control, BUT there is no sound whatever I do. I don't have any IDT High Definition Audio CODEC in the game controllers. There is only one istance for which there was a driver tab in the properties- Realtek High Definition Audio- and it was not able to roll back its drivers. So I (fullishly) tried to instal that IDTHigh Definition Audio Codec. It didn't instal, came up with an error, when I restarted my PC crashed, I tried to strat Windows normally again, it crushed again. Then I returned to the last know good settings, and my Pc was OK again, except that there is no sound.
And, no, I don't know what caused this, it was working fine and then one moment I noticed it does not work any more.
01-02-2010 12:19 PM
Which system are You using?
Go to: Control Panel -> Devices Manager -> Audio, Video and Games controllers
Find there Your audio card and click with right button of Your mouse on it and choose properties. Then go to bottom details and paste here hardware id .
Below You've got example how to do it:
01-25-2010 06:11 PM
Disconnect from Internet.
Uninstall from Your system audio drivers.
Restart Your system:
On boot press F8 and choose Safe mode.
Go to Control Panel -> Devices Manager -> Audio, Video and Games Controllers
and find there Audio card. Click on it with right button of Your mouse and choose uninstall driver.
Restart Your system and this time start it in normal mode.
Install correct audio driver:
IDT audio here