Lenovo — lenovo ideapad 510 laptop screen doesn't work.

Address:

Bilaspur, Chhattisgarh, 495009

Dear sir,
My self vivek anchal from raipur chhattisgarh, india. I bought a lenovo idea pad 510 laptop on date 1 march, 2017 with complete one year damage warranty offer from shop it mall raipur. My laptop got some damage issues and i referred my laptop to the lenovo care in the month of november.
12 dec, 2017 i found my laptop fully repaired. Yesterday night i m working with my laptop then suddenly my laptop screen shows problem like colourful line comes on the screen and after some time it get black screen only. Now, it's screen is not working. Please check this problem seriously and provide me some repaire facilities.. Please