Extrnl harddisk hidden file.only hardisk G ok

Hello,
i have this problem with my external hard disk,my external harddisk hidden files.

i try doing this

Click on "Start" -->Run-->type cmd and click on OK.

Enter this command.

attrib -h -r -s /s /d g:\*.*

press "Enter".
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

its only OK on my hard disk G.....my hard disk F is same file is hidden...

anything can do??

thanks