Why is my hard drive not booting?

PHYSICAL HARD DRIVE FAILURE:

  • – the power delivery systemShould this fail during a booting or shutdown sequence or while your system is in use, can lead to file corruption. This is a good example of a physical and a logical failure.
  • – the circuit boardThe system cannot read any data thus your system will not boot.
  • – the motor/bearingsNo motor working the no spinning platters thus your system cannot boot. Bad bearings. Yikes!!! If you hear odd noises from the hard drive shut your system down and get your datatransferred and the hard drive replaced.
  • – the drive headsThey move above the platters converting magnetic field into electric current which is the read process. The reverse is for write. If a head touches a platter it can mean catastrophicfailure.

LOGICAL HARD DRIVE FAILURE:

  • – a simple invalid entry in a file allocation tableWhile the drive itself is good the files do not load up right or the meta-data describing where the files are stored is not consistent.
  • – loss of the file system on a severely fragmented driveSo think of the hard drive as a book with a missing page or pages. For a hard drive this could mean it is missing crucial data required to boot successfully.
  • – data on the drive is corruptPower outages or other power related problems can corrupt the data. Improper shutdowns, hardware problems such as bad memory, bad sectors and even hard drive failures contribute.

Until next time on Data Buzz.

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