How can I get rid of a purple vertical line on the white part of icon/background?

A

AC Question

Purple vertical line on white part of icon/background.

Hello,first time posting here,sorry for any mistakes :D

My Asus Fonepad 7 has vertical line when holding the phone up or horizontal line while turning the phone sideways.The problem started when I was watching a video.After I turn off the screen and open it back,the lines appeared.This sound a little weird but that is what exactly happen.

The lines appear on the bootscreen and appeared only on the white parts of the icon and background.

My English is not the best , I'll try to explained any part of the sentences that are confusing .

Thank you
 

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