Sony — Regarding laptop

Address:

New Delhi, Delhi

dear sir/mam i purchased laptop 20th may 2013 after some times i face many problens as hanging, system slow, mouse not work as many my all complaint register on ur customer care no. and specially 10-11 times formate ho chuka hai laptop i want solution earlier to earlier i visit eng... many times bt no solution regard hanging n system slow and m service center bhi ja chuka hu many times lajpat nagar spclly very careless persons there sir/mam i honestly request u plz give me solution otherwise i will take next action warranty period going to complete so plzzzzzz z and also left top corner not select problem