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Model A2159, EMC 3301. A refresh of the entry-level 13" MacBook Pro. Available in Silver and Space Gray. Released July 2019.

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"No output device found" still on 10.15.5

Hey, I bought my new Macbook Pro 13" 2020 recently and got it this tuesday. I've had this issue a couple of times now with "No output device found" in my sound preferences.

So I see this is a general problem and that Apple fixed it in the new 10.15.5 update, but it just didn't work for me. Still have no audio and it can't find the output device. I've tried everything it seems and read dozens of forum posts about this now. NVRAM, PRAM, SMC, Safe Mode. No CleanMyMac or similar installed and every suggestion on this: https://discussions.apple.com/thread/750...

I did a clean install and erased disk, but the problem came again after some time. I've tried force quitting coreaudiod in activity monitor, which fixes the problem, but only momentarily. After a restart I have to quit coreaudiod again and I have to manually switch between headphones and the speakers in the Sound Preferences, it can't automatically.

Is this going to be fixed by apple soon? Doesn't seem like there's any solutions out there.

I should maybe add, that I use Ableton with different plugins, does that cause any problems? Was no problem on my old machine on Mojave.

Hope someone can help. It's really sad to have this many problems from the get go with my new purchase. I'm thinking of returning it, since audio is such a big crucial part of my everyday work, but prefer to solve this.

Ответ на этот вопрос У меня та же проблема

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Your issue is an OS level issue as Catalina (10.15) and how your older apps work with it!

Ableton is still using 32 bit drivers which messes up the OS install. Apple no longer supports 32 bit apps or drivers! So when you install Ableton with its 32bit drivers (or other 32bit apps) you are breaking the OS.

You’ll need to contact Ableton (and the other apps which have direct drivers) to find out when they will be releasing a full 64bit version of their app and drivers.

Nothing here for Apple to fix. Yes, Apple shouldn’t have dropped 32bit services. Two apps I depend on are not being upgraded so I’m stuck too! In my case they are photo knitting apps.

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I was aware of this, which is why I've done a completely refreshed install of everything. And only used 64-bit programs. Also tried it out first on my girlfriends macbook pro from 2013. Installed Catalina and no problems with the sound on there. So might be something with this 2020 version and Catalina. But yeah, I was aware of the problem you just mentioned, but everything completely fresh installs of 64-bit programs. Ableton should be compatible, at least they say so on their website. https://help.ableton.com/hc/en-us/articl...

Ableton is also 64-bit only now. So no 32-bit version on new releases.

из

You implied you had other apps, are they All 64bit clean?

Then you'll need to visit an Apple Store to see what they have to say.

I would create a bootable USB-C drive mirroring what your setup is (as well as backup your data). Then let them help you install from your backup onto a fresh system as I'm thinking you have a hardware level issue here. They will likely give you a fresh system.

из

Yes should all be 64bit. But sure might have been 1 or 2 that's both 32-bit and 64-bit that causes the problem. Could be. Will probably have to install and test one at a time I guess. Still weird that it wasn't a problem on my girlfriends old Macbook 2013, with the same version of OS X. Should be the same. Unfortnately we don't have a Apple Store in Denmark, which sucks. So will have to do it over the phone. Last time when they found out it wasn't just a quick fix with telling me to check things in Sound Preferences, they didn't even bother to fix it, they just asked me to send it back.

из

Yep! A bit of a snipe hunt ;-{

As Ableton own web site states: Although Live 10 is fully compatible, it's very possible that some of your third party plug-ins, hardware drivers and other software programs are not yet supported on Catalina. Once you've confirmed that all of your dependent software and drivers are Catalina ready, then you can decide to update. But make sure to create a time machine backup before updating so that you can roll-back to your previous operating system if needed. Also make sure not to update if you are working on time-critical projects.

Sadly you can't run your system under Mojave ;-{

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thanks for helping out, just called apple. will send it to repair.

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