Methods to troubleshoot and fix when system booting fails.

The reasons behind system booting failure:

1.Hard Disk Not Detected.

2.OS Corrupted

Steps to detect Hard Disk

A)  Cable Connection

     (Normal Cable)

        1.Check if the ID cable connecting Motherboard and Hard Disk are connected properly.

        2.Check if the power supply cable from SMPS to Hard Disk are connected properly.

     (Sata Cable )

        1. Check if the ID cable connecting Motherboard and Hard Disk are connected properly.

        2. Check if the power supply cable whose output is different is connected properly between SMPS

            and the Hard Disk.

B) Hard Disk Jumper

        1. It holds four slots namely primary,secondary,primary flave,secondary flave.

        2. If you want to connect one Hard Disk connect it to the primary slot,if two Hard Disk then to the secondary slot.

Steps to check if OS is working fine or corrupted

 If Hard Disk is detected,then OS may be corrupted to fix it ,do the following.

       1.Press F10 and then Last Known Good Configuration is displayed,select it and press Enter Key by which

          system can be booted