Resolved macbook pro retina slow run after reloading the program bios

[Lethiet]

hi !
I'm in big trouble, please help me.
macbook pro retina slow run after reloading the program bios .
can't login mac os x now , boot logos
thank's all

 

[T5BRICK]

hi !
I'm in big trouble, please help me.
macbook pro retina slow run after reloading the program bios .
can't login mac os x now , boot logos
thank's all

Macs don't have a BIOS. I'm going to guess you mean you were updating your operating system.

The easiest solution is to just use recovery function of your Mac.

https://support.apple.com/en-us/HT201314