Hi, jJagajpl,
Thank you for considering Sony Community!
You may also check the light indicator of the AC adapter or charge light indicator of the laptop to isolate the issue. 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,
Vincent
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