How can i reset macbook pro a1286

hi i forget my password on my macbook pro how can i reset it

jebsforu wrote:
 i get mac os x 10.6 from my friend. i trying to restore mac os but when i press c after power on its stuck on apple logo nothing happen. but dis cd working on my friend macbook when i m pressing c .
Your friends 10.6 "gray disk" will not work on that machine.
You need this one.
http://store.apple.com/us/product/MC573Z/A

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