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Hibernation is often underused in business environments as it is difficult to enable it on a large network of computers without resorting to third-party PC power management software. [22] This omission by Microsoft has been criticized as having led to a huge waste in energy. [23] It is possible to disable hibernation and delete hiberfil.sys. [24]
powercfg must be run from an elevated command prompt, and, under Windows XP, it requires workstation Administrator or power user rights. Power Schemes are configured on a per-user basis. The most common cause of problems with power saving and hibernation on Windows systems is an incompatible device driver.
The exceptions to this are if it is selected during installation or already in use before an upgrade, but leaving the domain will still disable the feature. Windows Media Player 6.4, which was hidden in Windows XP and came shipped with Windows 2000 and can be installed on Windows 95, Windows NT 4.0 and Windows 98, was removed.
In Windows XP only, there is a "Shut Down" menu that provides access to Standby, Hibernate, Turn off, Restart, Log Off, and Switch User. This is because, by default in Windows XP, pressing Ctrl+Alt+Delete opens the Task Manager instead of opening a dialog that provides access to the Task Manager in addition to the options mentioned above.
Unlike the search feature in Windows XP, Windows Search does not display information about the location being searched in the status bar of Windows Explorer. It is not possible to perform a case sensitive search using Windows Search. Unlike the search feature in Windows XP, Windows Search no longer searches an item's NTFS Alternate Data Stream.
This approach combines the benefits of sleep mode and hibernation: The machine can resume instantaneously, but it can also be powered down completely (e.g. due to loss of power) without loss of data, because it is already effectively in a state of hibernation. This mode is called "hybrid sleep" in Microsoft Windows other than Windows XP.
Advanced Configuration and Power Interface (ACPI) is an open standard that operating systems can use to discover and configure computer hardware components, to perform power management (e.g. putting unused hardware components to sleep), auto configuration (e.g. Plug and Play and hot swapping), and status monitoring.
If Windows was put in the hibernation state, the contents of hiberfil.sys are loaded into memory and the system resumes where it left off. Otherwise, reads boot.ini and prompts the user with the boot menu accordingly.