Can't delete some files on external HD

[MacBlackBook22]

Is there some way to force the deletion of files on an external HD? I keep getting "the operation cannot be completed because you do not have sufficient privileges for some of the items"

Now I am the only one using these HD's. Could it be that I originally created the folder using my other macbook and it needs to be deleted from that machine?

 

[-kritter-]

Dont know if you have tried this yet, but right click on each of these files and click "Get Info" make sure they arent locked, and also make sure the Ownership & Permissions are set to read and write...

 

[bartelby]

Try removing the items from the trash, repairing permissions and then trashing the files again.

 

[MacBlackBook22]

Dont know if you have tried this yet, but right click on each of these files and click "Get Info" make sure they arent locked, and also make sure the Ownership & Permissions are set to read and write...

Checked all the files and they are unlocked and all are read and write permissions... grrr

 

[MacBlackBook22]

Try removing the items from the trash, repairing permissions and then trashing the files again.

They don't get to the trash it won't allow them in there they are still on the external HD. How do I repair the permissions on them? New to mac here