Mac book air display problem

having display problems with my macbook air, first version of 2015. When I turn on my macbook, after entering the password and pressing on enter three lines (not really lines they look more like lightning, appear from the top of the screen) in the colors Blue, green and red.

also when I turn off my laptop just until the display on the top of the screen this thick green line 3 inch appears and goes about a second or 2.

help someone?

Thank you

Try a reset of the NVRAM:

https://support.Apple.com/en-us/HT204063

If no success, take a picture of the problem.  Make an appointment at an Apple store genius bar for a free evaluation.  If necessary, show the technician, an image of the screen.

Ciao.

Tags: Notebooks

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