SYMPTOMS:

When you start your PC, you may receive the following error messages:
• Non-system disk or disk error
Replace and strike any key when ready
• NTLDR is missing
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• Remove disks or other media.
Press any key to restart.

CAUSE:

If your start device, such as a floppy disk drive, hard disk drive, or CD-ROM drive does not have boot files these problem take place.

RESOLUTION:

To solve this problem, use following methods and then reboot you’re PC:

• Delete the non-system disk from your boot device. e.g., remove the non-system disk from the floppy drive or the CD-ROM drive.

• Change your PC's boot sequence. To do this, you have to change your computer's setup and the option that controls which device your PC uses to start from. Make confident that you select a device that has boot files or operating system files installed.

• If you start your PC from a hard disk drive, install a bootable operating system such as Windows XP on the drive