On 19 September 2013 10:25, Bruce McArthur <bruce.mcarthur(a)dsl.pipex.com>wrote:
click on "Format..." the default file system is shown as NTFS and the
Allocation unit size is 4096 although bigger sizes are selectable.
As Alan suggests I would use Convert and revert to format if you have a
problem. I would copy the contents on to another drive first, if at all
Jane Taubman | www.rjt.org.uk