my computer is not getting started and it displays an error "ntldr is missing" after the bios screen .
how to solve it
Below are the full error messages that may be seen when the computer is booting.
NTLDR is Missing
Press any key to restart
Boot: Couldn't find NTLDR
Please insert another disk
Cause:
Computer is booting from a non-bootable source.
Computer hard disk drive is not properly setup in BIOS.
Corrupt NTLDR and/or NTDETECT.COM file.
Misconfiguration with the boot.ini file.
Attempting to upgrade from a Windows 95, 98, or ME computer that is using FAT32.
New hard disk drive being added.
Corrupt boot sector / master boot record.
Seriously corrupted version of Windows 2000 or Windows XP.
Loose or Faulty IDE/EIDE hard disk drive cable.
err thread gettin long.. refer here for solution
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insert your Windows XP cd and boot from it.
choose Repair Existing Windows Installation/Recovery Console and type the following command:
fixmbr
followed by the command:
fixboot