How can I fix my acer aspire 5570z laptop (cracked screen)?

Please send me step by step instructions on how to fix my screen on my latop. I am a college student so I really need my laptop. I am not sure how it happened, but the screen has a small crack at the top of the screen which caused black spots and lines every where. Please help!!! Feel free to email me with instructions aug1903@yahoo.com
The computer is a : acer aspire 5570z laptop