Jump to content

Recommended Posts

Hi, I'm running el capitan 10.11.6 

I've problem in audio (alc270) not working and display flickering for some seconds when logging. Sometimes when scrolling the windows are black and the icons can't be seen. 


...any help really appreciated!

Share this post

Link to post
Share on other sites

it could be something stored in nvram. try sudo nvram -d in terminal command app to wipe it


I returned to version 10.11.6, because some things do not work on  10.12.1,in the  system preferences I can not access Displays and Trackpad

Share this post

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Create New...