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2018 Mac Mini - iTunes Playback Problems

A

Azeroth1

macrumors 6502
Original poster
Apr 20, 2010
315
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i just did a clean install after restoring from a backup which did not correct the issue (formatted ssd, reinstalled from scratch).

Brand new Mac Mini. Can not play iTunes purchased movies without horrible black screening and studder. Streamed or downloaded. Same issue.

Exact same TV and hdmi cable as was being used on my 2012 Mac Mini. But all my media is unplayable. Both machines on current versions of OS Mojave.

How can I fix this. It’s driving me crazy. Also I disabled airplay on my Apple TV. No change. Please help me.

Seems to happen in full screen mode, potentionally only that. Not sure if that means anything.
 
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Azeroth1 said:
i just did a clean install after restoring from a backup which did not correct the issue (formatted ssd, reinstalled from scratch).

Brand new Mac Mini. Can not play iTunes purchased movies without horrible black screening and studder. Streamed or downloaded. Same issue.

Exact same TV and hdmi cable as was being used on my 2012 Mac Mini. But all my media is unplayable. Both machines on current versions of OS Mojave.

How can I fix this. It’s driving me crazy. Also I disabled airplay on my Apple TV. No change. Please help me.

Seems to happen in full screen mode, potentionally only that. Not sure if that means anything.
Click to expand...
Yeah, that's what happens to me. If I play the content in a smaller window, and expand it no problems. If I play the content full screen, it goes black after a few seconds. I never did figure out the problem. As you said, it's the same content I played on my 2012 with no issue. I'd completely forgotten about it since you posted this, because I just watched the films on my Apple TV instead.

Would be curious if you talk to Apple, what they say.

Also, before anyone asks, it doesn't matter if it is SD or HD content, in fullscreen it all goes black.
 
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Not quite the same problem as you but when I play a film in iTunes as soon as the on screen controls disappear after a few seconds the whole screen goes blank. I still get sound though, this also only happens in full screen.

Kwozzii

EDIT: Posted this before I saw reply above but same issue here.
 
I'm having a similar issue in Youtube.
In full screen, once the controls are gone, the screen goes blank. That's using Safari.
When I do the same in Chrome, no issue.
Also when I first got the Mini, I didn't have this problem. It just started earlier this week!
 
I've got this issue too and seems to correlate with 10.14.5 being installed. There's a few threads, like this one https://discussions.apple.com/thread/250382242 over on Apples forum. It's apparently been escalated to engineering who are working on a fix, that was back at the end of May though.

It only happens for me in iTunes, playing full screen - the screen goes blank once the playback gui elements hide.

Has anyone tried the 10.14.6 beta to see if the issue is fixed in that?
 
CaTOAGU said:
I've got this issue too and seems to correlate with 10.14.5 being installed. There's a few threads, like this one https://discussions.apple.com/thread/250382242 over on Apples forum. It's apparently been escalated to engineering who are working on a fix, that was back at the end of May though.

It only happens for me in iTunes, playing full screen - the screen goes blank once the playback gui elements hide.

Has anyone tried the 10.14.6 beta to see if the issue is fixed in that?
Click to expand...


Thanks. The thing is I have two Mac Minis. Same OS X. 2012 and 2018. One has the issue and one doesn’t. That’s what’s so weird.
 
As far as I can tell from skimming through the forum posts it only affects the 2018 Mac Mini's. Hardware is very different between the two, so I'm not surprised one isn't affected by it.

I've also done a little more playing around with it, and it seems that movies that are 4K/HDR play without the issue, if they're being streamed from online. No movie plays without the issue if its being played from local storage.
 
I was able to install 10.14.6 beta3 this morning and the problem appears to be fixed in that. So hopefully wont be long until its generally available.
 
Same issue here, black screen but audio keeps playing when going full screen on iTunes music videos, and it happens on YouTube videos on Safari too but only on some videos... it's pretty annoying, I can't believe it's taken them so long to get this fixed.

As a sort of "workaround" what I've been doing is moving the cursor all the way to the top-right to bring up the Mac's menu bar while hiding the cursor in the corner, works okay for movies and videos that are wider than 16:9 and display black bars anyway.
 
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To close this out Apple called my back after examining the logs and said...

They do not have a fix. They said they have received multiple reports and it is hoped to be fixed in a future OS release.

So yeah, that’s about it. No fix.
 
Azeroth1 said:
To close this out Apple called my back after examining the logs and said...

They do not have a fix. They said they have received multiple reports and it is hoped to be fixed in a future OS release.

So yeah, that’s about it. No fix.
Click to expand...
Well that’s weird because it definitely looked fixed 10.14.6 beta 3 to me.
 
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