Hi SarSan,
Welcome to Sony Community!
We need to perform some troubleshooting steps to verify if the issue is hardware or software related. Try to boot the unit to BIOS and observe if it does the same thing. You may also follow the steps in the link below: https://us.en.kb.sony.com/app/answers/detail/a_id/40159/p/48903,49902,90989,92125/c/65,66/kw/wont%20charge
You may also reformat the unit back to the orginal setting but make sure to back up all your files to prevent data loss. If the issue still persists then you need to send the unit to our repair facity. https://esupport.sony.com/US/p/service.pl
Regards,
Jen
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