The hard drive isn't show in File Explorer? Here's what you need to do.

[Windows Central]

If the secondary hard drive isn't showing up in File Explorer, you can use these steps to resolve the issue on Windows 10.
When connecting a mechanical hard drive (HDD), solid-state drive (SSD), or an external USB hard drive to a computer, Windows 10 can usually detect and set it up automatically. However, sometimes, a newly added drive may not show up in File Explorer, which could indicate a number of problems.

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