Need help

I have a dell which is password protected, service tag # 3j97n01, express service code # 7694677297 and the number i get on the screen is 3j97n01-595b. This is a dell latitude cpt s600st, I would appreciatted if someone could helped me out on how to unlock this computer. Thank you
 
With a Dell PC, You can not, NOT overclock. Theres nothing you can do about it, or get a new system!!!
 
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