A replacement screen maybe available from this WEB site. www.lcdparts.net
The screen is removed by undoing the hinge screws, careful unclip the video connector from the motherboard.
Keep the screws together as you remove them so you will know which screws are needed to install when you fi the new LCD screen
Undo the screws that hold the bezel that surround the LCD screen, then remove the bezel (it may be also held in place with double sided tape).
When the bezel is removed the LCD screen is secured to the hinge assembly by more screws around the edge of the LCD screen.
When you install the new LCD screen, reverse the order you took in removing the LCD screen.
These WEB sites may assist you in repairing the LCD etc.