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Felipe Cintron

Clean install. All videos stutter/stop youtube, mp4, any web video

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Clean install. All videos stutter/stop youtube, mp4, any web video

Fresh install.
the install went smooth. no hickups.  got my nvidia web drivers working no issues (smoothest install to date)

cpu I5 4670k
mb: Gigabyte z87x-ud3h
8 gigs ram
video: nvidia gtx 970

youtube videos stutter then stop working about 20 seconds in.  same with other videos.

i read somewhere someone had a similar issue and changed bootflags to fix it.   but they did not post the fix.

currently the system thinks it's a imac 27 inch

UPdate: Mp3 playback is also stuttering.

 

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42 minutes ago, Felipe Cintron said:

Clean install. All videos stutter/stop youtube, mp4, any web video

Fresh install.
the install went smooth. no hickups.  got my nvidia web drivers working no issues (smoothest install to date)

cpu I5 4670k
mb: Gigabyte z87x-ud3h
8 gigs ram
video: nvidia gtx 970

youtube videos stutter then stop working about 20 seconds in.  same with other videos.

i read somewhere someone had a similar issue and changed bootflags to fix it.   but they did not post the fix.

currently the system thinks it's a imac 27 inch

UPdate: Mp3 playback is also stuttering.

 

What osx did you install and did you insert any boot flags on org.chameleon.plist?

 

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19 minutes ago, wessiderules said:

What osx did you install and did you insert any boot flags on org.chameleon.plist?

 

Sierra 10.12.3   default setup clover bootloader from install. (everything else seem to work.  no added flags.
 

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another update: updated to sierra 110.12.5 hoping to fix the issue.  no dice but everything else works.

tried to play mp3's again . no dice still choppy and stuttery.

I'm still looking for bootflags in clover for it.  everywhere i read it's fixed is using multibeast but they don't say what they did .. arrgghh

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Possible progress.

i added npci=0x2000  to the boot flags.

video no longer stutters.

but no sound now. (no output sound device)

 

followed this guide to get sound back:
https://www.tonymacx86.com/threads/sierra-desktop-realtek-applehda-audio.197923/

BUT the stutter is back arrrghh...

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Possible workarround/final update:

go into clover.

this board normally gets setup as a imac 14.2   change it to 14.1

video playback fixed.

audio playback.  
seems the detection for the green port is borked when it comes to hackitosh on the 898 audio systems

move the plug to the black port (last line out)  .. no more audio stuttering.

i'll update as i test if more issues come up

 

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