Beginning inWindows Vista, Windows utilizesBOOTMGR, not NTLDR.
How to Fix ‘NTLDR Is Missing’ Errors
cycle your setup.
The error could be a fluke.
Check your floppy and optical (CD/DVD/BD) drives for media and disconnect anyexternal drives.
Check the hard drive and other drive controls in BIOS to ensure they’re correct.
Restore the NTLDR and ntdetect.com files from the Windows XP CD.
Restoring these two important system files may do the trick.
Repair or replace the boot.ini file.
Write a new partition boot sector to the Windows XP system partition.
If thepartition boot sectorhas become corrupt or isn’t properly configured, you might receive the error.
Repair the Windows XP master boot record.
NTLDR error messages may also appear if themaster boot recordis corrupt.
Reseat all internal data and power cables.
The error messages could be resulting from loose or malfunctioning IDE cables.
Try replacing the cable if you suspect it might be faulty.
revamp your motherboard’s BIOS.
Occasionally, an outdated BIOS version can cause the error.
Perform a repair installation of Windows XP.
Thisshouldreplace any missing or corrupt files, but continue troubleshooting if this doesn’t fix the issue.
Perform a clean installation of Windows XP.
This will completely remove Windows from your setup and install it again from scratch.
Replace the hard driveand then perform a new installation of Windows.
Windows XP is very outdated.
To receive up-to-date security patches, it’s recommended that youinstall a modern version of Windows.
There are a number of possible causes forNTLDRerrors, including the most common “NTLDR is missing” issue.
In other words, it’s trying to boot from anon-bootablesource.
