Missing Operating System Error in loading operating system NTLDR is Missing MBR is missing MBR Is Corrupted

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Recover data from Common Error Messages

Missing Operating System
Error in loading operating system

When you start your computer, you may receive error message: Missing Operating System, Error in loading operating system which can be due to the following cases

Missing or corrupted boot files
No active partition defined in the partition table
MBR located on the hard drive is corrupted
BIOS does not detect the hard drive
Any virus formation

Solutions

You have to make sure that all settings in BIOS are correctly configured
Run FDISK and check that the valid partition is set active, if not set the valid partition active

If you are not able to get your data from the above mentioned solutions

Then it is suggested to connect infected disk as secondary and use another primary disk (Healthy disk) to run Pro Data Doctor's Windows data recovery software for data recovery.

Steps involved in recovery of files and folders from “Missing Operating System” error message

NTLDR is Missing
MBR is missing
MBR Is Corrupted

When you try to install Microsoft Windows XP or upgrade to Windows XP on a computer that runs Microsoft Windows 98 or Windows ME, after the first restart during the installation you may receive the error message. It can be due to the following reasons.

Non-bootable disk is used for booting the system
Hard disk is not properly setup in BIOS
No proper configuration with boot.ini file
Attempting to upgrade from Windows 95, 98, or ME computer that is using FAT32
New hard disk drive being added
Corrupt boot sector / master boot record (MBR)
Location of MBR is changed by the virus attack

Solutions

Check the BIOS setting if properly configured
New hard disk should be properly configured. (Should not be the master drive)

If you are not able to get your data from the above mentioned solutions

Then it is suggested to connect infected disk as secondary and use another primary disk (Healthy disk) to run Pro Data Doctor's Windows data recovery software for data recovery.

Steps involved in recovery of files and folders from the above error message

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