my computer screen goes off for a few seconds and the lights without turning off the unit. This has happened several times, regardless of the period in which stays on.

My computer operating system Mac Pro OS X EL Capitan 10.10.3, ink 13"early 2015 screen off for a few seconds and back on without turning off the unit.

This has happened several times, regardless of the period in which stays on.

Don't know what is happening with your publication details.  You posted in space of the Macbook Pro forum & even your profile indicates: ' MacBook Pro (retina, 13-inch, early 2015), OS X Yosemite (10.10.3)..

Your post indicates you are using a Mac Pro, which is a desktop computer and with the help of El Capitan who is 10.11.2 not 10.10.3 which is Yosemite - 'my computer operating system Mac Pro OS X EL Capitan 10.10.3.

Tags: Notebooks

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