The VAIO VPCF11 and VPCCW2 series models are involved, and 535,000 units are believed to be affected.
In rare cases, says Sony, “these notebook computers may overheat due to a potential malfunction of the internal temperature management system, resulting in deformation of the product’s keyboard or external casing, and a potential burn hazard to consumers.”
A firmware update is available to correct the error.
You can read the Sony safety notification for full details of affected model numbers.
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