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Device configuration overlay (DCO) is a hidden area on many of today's hard disk drives (HDDs). Usually when information is stored in either the DCO or host protected area (HPA), it is not accessible by the BIOS (or UEFI), OS, or the user. However, certain tools can be used to modify the HPA or DCO.
Windows separates devices and their drivers by class types. Extra hidden and disconnected devices can be exposed through the devmgr_show_nonpresent_devices flag. USB Class devices: Peripherals that connect exclusively through the USB bus. Human Interface Devices: Devices used by the users to interface with the OS (eg.
Some vendor-specific external drive enclosures (e.g. Maxtor, owned by Seagate since 2006) are known to use HPA to limit the capacity of unknown replacement hard drives installed into the enclosure. When this occurs, the drive may appear to be limited in size (e.g. 128 GB), which can look like a BIOS or dynamic drive overlay (DDO) problem.
Drives can be partitioned, thereby creating more drive letters. This applies to MS-DOS, as well as all Windows operating systems. Windows offers other ways to change the drive letters, either through the Disk Management snap-in or diskpart. MS-DOS typically uses parameters on the line loading device drivers inside the CONFIG.SYS file.
Administrative shares have the following characteristics: Hidden: The "$" appended to the end of the share name means that it is a hidden share.Windows will not list such shares among those it defines in typical queries by remote clients to obtain the list of shares.
Before Windows 7, the system and boot partitions were, by default, the same and were given the "C:" drive letter. [7]: 971 Since Windows 7, however, Windows Setup creates, by default, a separate system partition that is not given an identifier and therefore is hidden. The boot partition is still given "C:" as its identifier.
In computing, a hidden folder (sometimes hidden directory) or hidden file is a folder or file which filesystem utilities do not display by default when showing a directory listing. They are commonly used for storing user preferences or preserving the state of a utility and are frequently created implicitly by using various utilities.
Whether the taskbar should Auto-Hide. Whether to show the clock in the notification area. Allows the user to manage the tray icons. Advanced options such as whether to show Printers & Faxes in the start menu and whether to display My Documents as a menu or as a link to a new window. Moved to the Settings App on Windows 10, but the shortcut ...