Trouble shooting of Hard disk

                      Trouble shooting of Hard disk 


# Reason to hard disk bad sector 

-A maniacal failure which cause a head to connect to  a platter.
- Power loss during a right operation.
- Few virus and damage to a hard drive (scan for virus)
- A hole in a thin film of the platter (change platter)

# System can not detected the hard disk

 - Check the jumper setting
 - master drive
 - Master non compatible.
 - Look for IDE cable
 -Be sure the hard disk is damage


# Hard disk dosen't show in current format

 - Check for virus using antivirus.