I need help with my laptop

[Bob_the_third]

hi, i got a laptop for Christmas about 3 years ago i stopped using it last summer when the charger broke i recently got a new one but i can not remember the administrative password. iv looked around for any disks that might have came with it but i cant find any.

i have a lenovo laptop g550

any help would be great, so please help.

 

[rgd1101]

http/www.tomshardware.com/forum/id-2317969/read-passwords-lock-codes-pin-numbers.html