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  2. Device configuration overlay - Wikipedia

    en.wikipedia.org/wiki/Device_configuration_overlay

    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.

  3. Hard disk drive performance characteristics - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive...

    A hard disk head on an access arm resting on a hard disk platter. The access time or response time of a rotating drive is a measure of the time it takes before the drive can actually transfer data. The factors that control this time on a rotating drive are mostly related to the mechanical nature of the rotating disks and moving heads. It is ...

  4. Self-Monitoring, Analysis and Reporting Technology - Wikipedia

    en.wikipedia.org/wiki/Self-Monitoring,_Analysis...

    Hard disk and other storage drives are subject to failures (see hard disk drive failure) which can be classified into two basic classes: Predictable failures which result from slow processes such as mechanical wear and gradual degradation of storage surfaces. Monitoring can determine when such failures are becoming more likely.

  5. What does "free up disk space" mean — and how do you fix it?

    www.aol.com/lifestyle/does-free-disk-space-mean...

    Use the Disk Cleanup function on Windows. Windows has a built-in feature that helps you free up disk space; it’s called Disk Cleanup. Just click the Start button and then search for it by name.

  6. hdparm - Wikipedia

    en.wikipedia.org/wiki/Hdparm

    hdparm is a command line program for Linux to set and view ATA hard disk drive hardware parameters and test performance. [2] [3] It can set parameters such as drive caches, sleep mode, power management, acoustic management, and DMA settings. GParted [citation needed] and Parted Magic both include hdparm. [4]

  7. CHKDSK - Wikipedia

    en.wikipedia.org/wiki/CHKDSK

    It verifies the integrity of the file system on a volume (usually a partition) and attempts to fix logical file system errors. Logical errors are typically defined as software-level problems with a filesystem (or its metadata ) as a result of prior software malfunction (e.g. crashes) or irregular use (e.g. hard resets).

  8. Hard disk drive failure - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_failure

    A hard disk drive failure occurs when a hard disk drive malfunctions and the stored information cannot be accessed with a properly configured computer. A hard disk failure may occur in the course of normal operation, or due to an external factor such as exposure to fire or water or high magnetic fields , or suffering a sharp impact or ...

  9. Bad sector - Wikipedia

    en.wikipedia.org/wiki/Bad_sector

    Hard disk reader. A bad sector in computing is a disk sector on a disk storage unit that is unreadable. Upon taking damage, all information stored on that sector is lost. When a bad sector is found and marked, the operating system like Windows or Linux will skip it in the future.