First of all you it was bad decesion to by samsung type of laptop b.coz this is not leading particular for laptop . anyway
u can contact >

Techno Blue Head Office :
2nd Floor, Blue Salon Building,
Suhaim Bin Ahmed Street, Al Saad,
Doha, Qatar
Tel: +974 44466175
Fax: +974 44479053
Email : [email protected]

wish u ...

Aslam