Lightroom Cannot read files from Hard drive

[natasaleoni]

Heya, 

I am having the weirdest problem. 

Some photos are on an external hard drive and when I go to import them into Lightroom they are all greyed out as if already imported. 

I have tried moving the files to my desktop and having the same problem. The photos open fine in Photoshop. 

They aren't already imported in a different Lightroom Catalog so I am really confused why this is happening. 

Other folders from the same hard drive are also fine and importing as normal.

Any ideas welcome

[dj_paige]

Explain further. Especially explain how you know these photos are not already imported into this Lightroom Classic catalog. (PS: My web browser will not show file attachments here. Better to use the "Insert Photos" icon)

[JohanElzenga]

They aren't already imported in a different Lightroom Catalog so I am really confused why this is happening. 

By @natasaleoniy

This has nothing to do with the images already being imported in a different catalog, what Lightroom Classic is telling you is that they are already imported in this catalog.  It's possible they were imported as copies in another folder, however.