How the screen?

My computer was bought in September bought after the previous use are good but do not know how the computer's screen always become yellow discoloration under Huang's enough, but the last two days of very serious Huang I like a good friend, said the display of the line of the song of the reasons I do not know who the good point to tell me how you want to change the ah! The amendments were looking for, please? Thank you very eager! ! !

should be a line of the song, and then you try even once at the end of the Silicon Valley computer used to repair the city's 8012 phone 82851682, I have the same It is bad data line interface, the warranty sent to your warranty.