Dell XPS 12 9Q33 — i7-4500U/8/512, damaged screen

CPU: i7-4500U
RAM: 8GB DDR3L-RS 1600Mhz
SSD: 512GB
Video: Intel HD 4400

Rotating FullHD 12" touchscreen is damaged — picture can be seen, but with glitches in couple of corners. Used for a year in this condition with external monitor/keyboard.