This provides you direct access to every byte on the physical disk regardless of access credentials. Disk sector editors function at a level "below" the file system, so the typical checks for maintaining disk consistency do not apply. Misuse of a disk sector editor may make all the data on the drive or volume permanently inaccessible. This workaround involves using a disk sector editor to modify the media descriptor byte on the floppy disk. Warning: This workaround is for advanced users only. To resolve this problem, re-format the floppy disk with Windows 98, Windows Millennium Edition, Windows NT, Windows 2000, Windows XP, or Windows Server 2003. The media descriptor byte is located in the BPB of the boot sector at offset 21 (15h) and in the first byte of each FAT on the disk. Therefore this problem does not occur with these older operating systems. With MS-DOS and Windows 95, you do not have to set the media descriptor byte. The media descriptor indicates the type of medium currently in a drive. Older product disks may also not have the media descriptor byte. Some older preformatted floppy disks do not contain a media descriptor byte. This problem occurs on disks that do not contain a media descriptor byte in the BIOS parameter block (BPB) of the boot sector. The same disk may work correctly with MS-DOS or Windows 95, or after you re-format the disk with Windows 98, Windows Millennium Edition, Windows NT, Windows 2000, Windows XP, or Windows Server 2003. Some formatting utilities allow distinguishing between a quick format, which does not erase all existing data and a long option that does erase all existing data.STOP: The disk media is not recognized, it may not be formatted. In some operating systems all or parts of these three processes can be combined or repeated at different levels and the term "format" is understood to mean an operation in which a new disk medium is fully prepared to store files.
The third part of the process, usually termed "high-level formatting" most often refers to the process of generating a new file system. Partitioning is the common term for the second part of the process, dividing the device into several sub-devices and, in some cases, writing information to the device allowing an operating system to be booted from it. The first part of the formatting process that performs basic medium preparation is often referred to as "low-level formatting". In some cases, the formatting operation may also create one or more new file systems. Disk formatting is the process of preparing a data storage device such as a hard disk drive, solid-state drive, floppy disk, memory card or USB flash drive for initial use.
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