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Keyboard Volume Controls Not Working

3191 Views 30 Replies Latest reply: Mar 25, 2006 11:49 PM by Doug Dellis RSS
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Doug Dellis Calculating status...
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Jan 4, 2006 3:06 AM
Hi!

I've been using my iMac G5 with no problems for months now, but suddenly I've noticed that the volume controls on my keyboard don't work. Let me explain:

Upon pressing either the "volume up" or "volume down" buttons on the mac keyboard, the semi-transparent volume indicator appears on my screen, and the small white "cubes" indeed go "up and down," but there is no audible feedback, and the volume itself does not change. In short, I'm now forced to use the menubar volume slider to change my volume.

The following should be noted:

1) All of the other keyboard buttons work normally (brightness, expose, etc).

2) I have checked the sound preference pane, and nothing has changed--the preferences were exactly the same as when the buttons were functioning (ie: volume change "feedback" is checked, etc)

3) I recently added a new printer, but that was a month ago, and the volume controls have worked normally after installation for weeks--so that is not the problem.

4) I have repaired disk permissions several times.

5) I have started from the system CD and repaired the disk.

6) I have re-set the PRAM 3 times. Once, the volume control was restored, but it was subsequently lost again, and was unable to be recovered with further PRAM resets.

7) I have not installed/used any new programs and/or software in months.

Can someone please help with this? I know it's not an earth-shattering problem, but the buttons should work, and I've become reliant on them since my iMac purchase.

Thank you in advance!

Doug
iMac G5 2ghz, Mac OS X (10.4.3), 512 RAM
  • a brody Level 9 Level 9 (62,145 points)
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    Jan 4, 2006 5:38 AM (in response to Doug Dellis)
    If you have Application Enhancer installed, you may need to update it. Check to make sure that your audio input and output are correctly set in Apple menu -> System Preferences -> Sound.

    Also check this User Tip:

    http://discussions.apple.com/thread.jspa?messageID=607533&#607533
    iMac G5-1.8 (1st Gen), Powerbook G4 17" 3rd Gen 1.5 Ghz, iMac G4 w/OS 9, Mac OS X (10.4.3), EyeTV 200, Olympus C-700, Epson P-R220, iSight, Airport Extreme, 5th Gen iPod
  • a brody Level 9 Level 9 (62,145 points)
    Currently Being Moderated
    Jan 5, 2006 4:14 AM (in response to Doug Dellis)
    If the problem began after installing those Logitech drivers, that would be my key suspect.
    iMac G5-1.8 (1st Gen), Powerbook G4 17" 3rd Gen 1.5 Ghz, iMac G4 w/OS 9, Mac OS X (10.4.3), EyeTV 200, Olympus C-700, Epson P-R220, iSight, Airport Extreme, 5th Gen iPod
  • Diane Benoît Level 2 Level 2 (360 points)
    Currently Being Moderated
    Jan 5, 2006 5:29 PM (in response to Doug Dellis)
    I would try running Alsoft's DiskWarrior. It does wonders to the directory as it rebuilds it.

    You could also use Titanium Software's freeware OnyX (choose the right version for your OS X version to clean out a clogged system).

    And there is always Preferential Treatment to fish out corrupted pref files.

    That's about all I can think of at the moment.
    LCD 800 MHz G4 iMac 17 SuperDrive, Mac OS X (10.3.9)
  • Robert Wolf Calculating status...
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    Jan 9, 2006 1:23 AM (in response to Doug Dellis)
    Are you using any "Classic" applications?

    iMac G5 20" iSight & eMac 1.25 Ghz   Mac OS X (10.4.3)  
  • E Leerentveld Calculating status...
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    Jan 24, 2006 3:52 AM (in response to Doug Dellis)
    When this happens to me, I just launch Garageband and close it again. That reinitialises the soundsystem and it works ok again.

    Good luck!
    iMac G5 20 2.0GHz/1GB RAM/400GB Harddisk/Bluetooth/Airport, Mac OS X (10.4.3), Lacie 160GB USB2.0 Porsche, Lacie 250GB FW Porsche, HP PSC1215, SE S700i
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