Hi @Lauren Mason ,
Try plugging and unplugging the hard drive.
Can you open the files from hard drive? Did this problem appear in all files or specific file?
If this problem related to the hard drive, try this method: click Win+Run- enter chkdsk drive letter(for example: chkdsk c: /f)
For recovery Word document, you can refer to this support article:
https://learn.microsoft.com/en-us/office/troubleshoot/word/recover-lost-unsaved-corrupted-document
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