Laptop screen broken, help?!?!?!?!?

ok i got an ACER Aspire 4741G, well actually its not mine is mums, she just given to me to use while i do my HSC, and i broke the screen this morning.....(yea i kno, im a douche) so i need to have it fixed without her knowing and fast. is there anyone out there who can help me, im desperate plzplzplz:(....