lenovo y50-70 touch 20349 lcd touch screen digitizer display assembly quotation

You will have to nearly completely dis-assemble the laptop so that you can replace the LCD unit as it appears looking at the manual that the glass panel is part of the LCD panel and not a separate component. Doing this will also allow you to tighten the hinge screws.

On p.95 Item #3 you will find the FRU number (part number) for the two types of LCD panels available for the model. Depending on which type you have, search online using the part number only to find suppliers of the part that suit you.