Sound stuttering after Mountain Lion install

you have to make a clean install.

google for it. You can do it, but you have to backup eyerything…

But I think I'll do this, too. There is enought time this weekend 😀

If you made a TM Backyou you can try this method:

http://www.pondini.org/TM/14.html

Im having the same issues. 2011 imac, 3.4Ghz, 12GB ram, 2GB vram. Logitech 800 wireless headset.

Playing WOW, using mumble, itunes.

Ive tried bluetooth and USB connections to see if there is a difference. bluetooth might be a little better, but not by much. It surfaces when there are moments of heavier processor activity (mainly video processor from what I can tell). Bluetooth hasnt completely cut out yet the way USB did, but it still gets choppy.

I'm having the same issues too after upgrading to Mountain Lion on my Mid 2011 iMac. The sound crackles and skips and the mouse cursor skips sporadically. I've noticed it starts happening when the GPU hits around 85 degrees celcius. I've been using smc fan control to keep the GPU temp below 80 and it works.

Updated to 10.8.2 and the problem is still there. Thanks Apple. The problem didn't exist in Lion and doesn't happen in BootCamp. Had I known of this problem I would never have upgraded. In my experience with any of Apples new OS's there have always been bugs with initial releases. But this one sure is a doozy.

As for Apple acknowledging the problem, the last Apple computer I had was an iMac G5, when I started having problems with the system always shutting down after about an hours use I took it in for repair and they found nothing wrong (they told me it was full of dust and that was likely causing the problem, I thought they were full of ****). Problem kept happening so I took it back and they still found no problem. Third time I took it in the repair guy says 'oh, had a memo from Apple about units with PSU issues' mine fell under that category and he replaced the PSU. So no acknowledgement at all about the problem. Just a quiet memo sent about it.

Please Apple, fix this.

Well, I'll tell you what has made a big difference for me... updating to the most current Logitech control panel. I would like to say that the issues are entirely gone, but there is still an occasional skip and pop... but the difference is significant.

So between 10.8.2 and the most uptodate Logitech control panel things are much cleaner.

btw... be sure to restart after installing the new control panel.

https://discussions.apple.com/thread/4313421?answerId=19668032022#19668032022&ac_cid=tw123456#19668032

I just realized something.

The fate of this thread is just one: Limbo.

Apple will not solve this problem, nor even acknowledge.

Why I say that?

Right about the same time this thread started and got attention, I've started a parallel thread.

I entered the discussion here and forgot about the one I opened:

What's Up with these random playback pauses on iTunes that never get fixed?

At that thread I complain about the stuttering in iTunes playback only (although now I see it's a system wide issue).

I post some historical links I've found, of similar unsolved problems that go back to 2008!

And the reports on those threads are too similar to this one.

People formatting the drive and doing clean install, talking about screen saver stuttering and stuff, all after an upgrade or something related.

This thread and other similar ones are going to the same boat and nothing will be solved, as it isn't for years.

The only support team which answered my reqest, is EyeTV.

Maybe they have an idea, because their product is affected, too.

I send them a few reports, tried some things…so let's see!

Ok so yesterday i was contacted by apple care who had been asked to contact me by the engineers in california. I was given a load of codes (obviously i cant share) and i have emailed back the apple care agent who in turn will email back to the engineers, programmers what ever you want to call them 🙂

Today i experianced the worst stuttering, sound distortion and freezing and ultimatly made my computer crash to the grey screen. I rebooted and obviousluy lost everything.

Juddging by the amount of stuff wanted i would be 100% in saying they are working on a fix. Lets just all hope it comes quick.

As promised that is my update so far.

Your report gives me some hope 🙂

And if the "engeneers" fix this issue, I'll forget everything and still buy Apple products.

…but for future: I'll never make an update without using CarbonCopyCloner 😀

Indeed, finally a glimmer of hope!

I am so glad I did a CCC copy before I updated because I've been back to Lion for a while now, But I liked how Mountain Lion performed overall, just when the problem happened! Lion is great but evertime I reboot I have to tell the system where my Time Capsule is, otherwise it can't do the first backup! But that of all things ran flawlessly in Mountain Lion!

Let's hope that Apple can get this fixed and I can get the best of both worlds and my iMac can start performing as it should!

Amazingly, I am on a Canadian Mac Forum and there hasn't been any mention of this! I don't really think everyone on that forum is using 2009 machines or older, but it is funny that we Unlucky Few have this chronic problem.

I'm going to install ML on a new Partition and see how it goes, hopefully there will be the right updates and then I can upgrade the entire OS

Here's some article making fun of Mountain Lion and suggesting to replace it with Linux:

http://lifehacker.com/5934942/how-to-dual-boot-linux-on-your-mac-and-take-back-y our-powerhouse-apple-hardware

I upgraded to Mountain Lion yesterday from Snow Leopard. Computer seemed to be running a little slow, but ML takes up more space so it was to be expected. Everything seemed to be working fine until 30 minuted ago, out of the blue, Netflix starting stuttering, both picture and sound.

Not happy at all, as I had no intention of upgrading, until someone told me it was worth it. I was perfectly happy with Snow Leopard, and i've just paid £13.99 for software which has rendered my computer useless for its main funcation (for me).

2010:

"I'm running a 2009 Mac Pro with 3 GT120's into 3 screens, 12gig o ram and a myriad of drives. Lately I find I cant play the simplest of things (like eye tv or quick time) with out it stalling/glitching every 3 seconds. Ive done the usual disk checking and ensuring nothing else is running but nothing works. Opened my test user too and it misbehaves in there too. Also just noticed that it seems to stall when Im typing this too? (TV is playing too)."

http://forums.macrumors.com/showthread.php?t=1011470

Google for mac stuttering

You get a felling this happens with Apple stuff ALL THE TIME.

Forget my "fixed" post of earlier. It's not, it's still borked. Looks like I'm going to back to 10.7 until this gets fixed (or someone from engineering contacts me and wants me to test some "fixes".