Question external hdd to internal

[ICED_EZ]

I have an external 1tb hdd which I put in my pc its working great but the problem is that in some apps I cannot use it to store as its marked as unsafe because it thinks its external. any way to make it work as normal?

 

[USAFRet]

I have an external 1tb hdd which I put in my pc its working great but the problem is that in some apps I cannot use it to store as its marked as unsafe because it thinks its external. any way to make it work as normal?

Some details, please?

Make model of this thing?

Does it work for some data, but not others?

 

[Lafong]

What specific "external 1 tb hdd"? Brand and model.

You removed it from sort of enclosure and then attached it internally?

How is it formatted?