Hi Camnov,
Welcome to sony Community!
We're sad to know about what happened to your computer. you should have provided more information about the issue, like the exact model name (SVT212A11L is the chassis of the computer), the current operating system, what has changed prior to the issue so that we will have a better picture of what happened.
Here are 2 links that might help you fix the issue:
https://us.en.kb.sony.com/app/answers/detail/a_id/39757/p/71372/c/66/kw/black%20screen
https://us.en.kb.sony.com/app/answers/detail/a_id/34849/p/71372/c/66/kw/black%20screen
Regards,
Jen
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