when i enter pen-drive into pen-drive slot pen-drive has been detected but i can not copy any file form computer to pen-drive.
when i enter pen-drive into pen-drive slot pen-drive has been detected but pen-drive does not take any data from computer to pen-drive.
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Have you recently used the pen drive to transfer or store files from or to a Apple Computer? If so I think you will need to format the pen drive, I am not too sure what the actual technical explanation is as to why this happens but it does.