You will need to load cure firmware to enable Mass Storage Mode and re-format it correctly anyway, so open the cure RGN in Updater.exe then follow the advice in (1) in the note in red in initial post:
Read [Only registered and activated users can see links. ]Many units can be put into pre-boot mode by holding the screen in the correct spot and plugging in the mini/microUSB with the lead already connected to the PC [preferably a rear port]. This method does not require the device to be turned on by the on/off button.
[Only registered and activated users can see links. ] and the related threads for more info.