Remove other external devices and set your hard drive as the first boot device in BIOS.
Boot the computer from this diskette and run fdisk /mbr command.
Windows 2000/XP/Server 2003 Installation CD Boot the computer from the installation CD, start Recovery Console and run fixmbr and fixboot commands. ) If the system partition was not restored to its original position, then the file needs to be updated.
When a PC starts, the initial power-on routine is handled by the BIOS.
The BIOS then loads the master boot code into the PC’s RAM and hands off the startup processes to it.
Further information is available at Windows 8/8.1 See instructions is Please keep in mind that fixmbr is supported only on x86-based machines.
If your Windows PC is throwing an error message at you before it even begins to load Windows, it’s possible that the boot sector on your system partition is damaged, corrupted, or has missing files. The boot sector is a small section at the beginning of a hard drive that gets created whenever you format the drive.Numerous reasons exist for the unbootable failure, but we can narrow down the options based on different symptoms. Repair or replace the file if it is not configured properly for your Windows XP installation. For example, the problem may be as simple as a disconnected power cable. An outdated BIOS version can sometimes cause the "BOOTMGR is Missing" error.1. Must have been an update last night, because it was working fine before. Windows 95/98/Me Startup Disk Use a diskette to create a Windows 95/98/Me Startup Disk.This can be done with the Recovery Console command bootcfg /rebuild Further information is available at: This command scans all disks for installations that are compatible with Windows Vista.