Hi Omerfarooq,
We apologize for the inconvenience. What is the current operating system of your laptop? you may refer to this link to help you with the issue, https://us.en.kb.sony.com/app/answers/detail/a_id/41108/kw/computer%20freezes/p/48903%2C49902%2C71051%2C71072/c/65%2C66/related/1
For further assistance regarding your concern, please contact the Sony offices/Sony representative offices nearest to your place of residence in Asia Pacific region http://www.sony-asia.com/countryselector.html?hpid=countryselector:AsiaPacific. Due to proximity, they are in a better position to respond to your questions or concerns.
Regards,
Jen
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