Installed Leopard - now no sound from my PowerBook G4!

My system preferences sound page doesn't even list the internal speaker, and that was after a restart!

Same situation for me! I have to restart to get my sound back. It happens randomly when I start my computer. If anyone has any suggestions for this, please respond.

Thanks,
Jamie

I'm having the same problem with the MacBook Pro 2.16 GHz Intel Core Duo ... and the sound controls disappear in preferences too: http://pariso.com/do.png

and the red optical light is shining through my headphone jack ...

you figure ...

I just lost sound again on my PowerBook G4, restarting usually helps but this time didn't, reset PRAM, didn't make difference, gotta be a bug in Leopard. Going to see if delete prefs to sound will work.

I did a repair permissions and that restored sound. Also see this thread on no sound, http://discussions.apple.com/thread.jspa?messageID=5709226. It recommends resetting PRAM and also NVRAM, Reset PRAM restart computer, hold down option (alt) command (apple) P R until chime, then for NVRAM hold down option (alt) command (apple) O F and after prompt appears type in reset-nvram return, then reset-all return all. I did this after sound was working, just to see if helps keep sound on.

I'm having the same problem w/ my Powerbook G4 "12 after Leopard installation, however I installed it a few weeks back now and never had a problem until very recently. The only new addition in the meantime was Bento, which has nothing to do with my sound. I've restarted, checked out sys prefs, and nothing works. I don't see any speakers listed in "output" or "input," even when I plug in externals.

How do you reset the PRAM? Also, has any other user figured out a solution aside from an archive and install? I work at a store, I just don't want to bug a genius if I can fix myself.

Thx.

You reset PRAM by restarting/starting up and hold down the COMMANDOPTION+PR Keys.

so weird!
I've got the same problem!
*it happened right after I was using iTunes' remote speaker feature :S*
as soon as I disconnected it just "turned off"

I get the volume display when I press the volume buttons, but it's VERY laggy (normally it's very snappy/quick)
also, when I adjust the volume, with the sound preferences pane open, I notice that the panning goes left/right everytime I press the button!
also, I get the startup sound, but anything after that (login) nothing happens

I'll try the PRAM+VRAM but I doubt it'll work

nope 😟
p+v ram reset didn't do the trick..

checked the console and found this, being prompted every 1 min. or so:

{quote:title=console wrote:}

15.2.2008 01:41:43 iTunes[272] Error loading /Library/QuickTime/LiveType.component/Contents/MacOS/LiveType: dlopen(/Library/QuickTime/LiveType.component/Contents/MacOS/LiveType, 262): Library not loaded: /System/Library/PrivateFrameworks/LiveType.framework/Versions/A/LiveType
Referenced from: /Library/QuickTime/LiveType.component/Contents/MacOS/LiveType
Reason: image not found
{quote}

Message was edited by: hageir

Message was edited by: hageir

I'm getting this (from system.log)

Feb 15 00:01:28 nem-223-205 kernel[0]: Sound assertion "0 != err" failed in "AppleLegacyAudio/AppleTexas2Audio/AppleTexas2Audio.cpp" at line 2703 goto Exit

This happened to me last week, and a PRAM reset fixed the problem, at first. Then this morning I booted up my laptop and noticed that the sound is not working again. I tried resetting the PRAM and logged into my account. No sound. Then I tried resetting both the PRAM and NVRAM, but that doesn't work either.

Any ideas?

Here's some information that might be useful from the Console:

2/18/08 10:45:19 AM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[70]) Exited: Terminated
2/18/08 10:45:28 AM Dock[205] _DESCRegisterDockExtraClient failed 268435459
2/18/08 10:45:37 AM /System/Library/CoreServices/coreservicesd[46] SFLSharePointsEntry::CreateDSRecord: dsCreateRecordAndOpen(Mike) returned -14135
2/18/08 10:45:48 AM SystemUIServer[208] There is no output device, unloading

I tried reinstalling 10.5.2 from the Combo Updater on the web site, and that brought back my sound. Originally I updated to 10.5.2 through Software Update using a package that was ~185 MB. The combo updater is over 300 MB but appears to work better.

Any word on a solution to this yet?
I have the same problem except sound does come on (showing in top bar) from time to time!