Repair corrupted pendrive

Hey stasher:

   I tried to change the designation from G:\ to J:\ and it did nothing. I tried to mount it and got “Does not contain a recognized file system”. This is what has stopped me from being able to repair it. And, BTW, I have a Sandisk 16Gb that only shows 14.8 Gb, even when it’s “supposedly” blank? Any ideas on that (i.e. missing about a full Gb). Thank s for responding

Stay Sharp:

Rick