Windows can't format the drive as it will be ext4 format. You can delete the partitions from disk manager I think in WinXP.I have a problem with my zgemma star. It was working brilliantly until I downloaded a webinterface plug-in n now it keeps crashing and my box doesn't work. So I flashed my box with the same image as before and followed all the steps but I can't get any channels to work. When I try to format the external hard drive using hard disc low level format it says it's unable to lock device and it needs the files deleting, which I am unable to delete these files or even access my hard drive through my computer. Does this mean I'll have to buy a new external hard drive or is there a way I can access it? I tried downloading tweakui but my windows Xp laptop is too old to run the software!? And am stuck what to do next
However there shouldn't be any need to format the drive, if you reflash the box it will recreate the swap file that is already there.