Instead, the system sets a dirty bit to the disk volume and then reboots the computer. ĭue to the requirement of the monopolized access to the drive, the CHKDSK cannot check the system disk in the normal system mode.
#DISK HEALTH CHECK WINDOWS XP KEYGEN#
CHKDSK requires exclusive write access to the volume to perform repairs. The same applies to surface scan-this test, which could be extremely time-consuming on large or low-performance disks, is not carried out unless explicitly requested. It looks for errors but does not fix them unless it is explicitly ordered to do so. On Windows NT family, a standard CHKDSK scan consists of three phases of testing file metadata. įragments of files and directories deemed as corrupt as a result of, for example, power outages while writing, file name overlength, and/or invalid characters in file name, are moved into a directory under the partition's root, named found.000, and renamed into generic hexadecimally numbered files and directories starting with file00000000.chk and dir_00000000.chk respectively.
The Windows Server version of CHKDSK is RAID-aware and can fully recover data in bad sectors of a disk in a RAID-1 or RAID-5 array if other disks in the set are intact. On Windows NT operating systems, CHKDSK can also check the disk surface for bad sectors and mark them (in MS-DOS 6.x and Windows 9x, this is a task done by Microsoft ScanDisk). CHKDSK can be run from DOS prompt, Windows Explorer, Windows Command Prompt, Windows PowerShell or Recovery Console.
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