how to fix Disk boot failure Error

Disk boot failure.

Cause:

This issue could be caused by any of the below possibilities.

1. Boot options are not set properly in CMOS
2. Non bootable CD or CD-R in computer
3. All boot devices set are not bootable

Solution:

Boot options are not set properly in CMOS

Verify that the boot options within CMOS are set properly. Below is an example of how we recommend the boot options be set. Additional information about how to enter CMOS 

1. Floppy drive
2. CD-ROM drive
3. Hard Drive
4. Other / Network

Non-bootable CD, CD-R, DVD or other disc in computer

Verify that no CD, CD-R, DVD, or other disc is in the computer possibly causing the computer to attempt to 

boot from that disc.

All boot devices set are not bootable

If all of the above recommendations have been attempted and you encounter the same issue it is likely that the computer is not detecting any devices in the computer that are bootable. Attempt to boot from a bootable floppy disk.

If you are unable to boot from a known bootable floppy diskette, ensure that the floppy drive is properly setup. Additional information and troubleshooting on the computer floppy drive

Once you are able to boot from a bootable floppy diskette, ensure that the hard disk drive is able to be read. Information about why you may not be able to see the hard drive when booting from a floppy diskette