This section discusses Flash Disk compatibility and use between supported systems. After I do some backup onto an external disk drive I then need to remove the disk. Tangible Usb Disk Woods Usboriiphone5s Usbdiskmobiles Flash Drive Usb Sandisk Attrib -h -r -s s d X Where X is the drive letter of your flash drive. . ProcessExplorer is another easy way to do it simply open up ProcessExplorer hit Ctrl F and then type the name of the file. Up to 168 cash back Step 2. Note the number of your USB flash drive. This will unhide all the hidden files on the USB and make them viewable again. USBSTORDISK indicates that this is a USB flash drive and VEN_SANDISKPROD_ULTRA tells us that this is a Sandisk Ultra 30 USB flash drive. Erase everything on your USB flash drive with the command clean. In order to boot a Cisco IOS software image from the Flash Disk when the system is executing from the ROM monitor software image