How to figure out what to do with my laptop

[Windows 10]

I bought this laptop in late 2019, (After COVID) and I used it for a bit until it crashed, now when I turn it on it just says PORT 0: ST1000LMO35-1RK172 and it says my smart test status is bad and to "backup and replace" what does this mean and how can I fix it? I could really use terms that could help non tech savvy people understand it better, please and thank you

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