From what it sounds like, you probably have a failed SSD. While it is rare for SSDs to fail, and at such a young age, it is possible due to various problems.
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I would access wherever your SSD is and make sure that it didn't come loose somehow.
From what it sounds like, you probably have a failed SSD. While it is rare for SSDs to fail, and at such a young age, it is possible due to various problems.