The BOOTMGR can read the Boot Configuration Data (BCD) and execute the winload.exe, then the winload.exe will load the essential drivers to help your system start. Manuals are posted on your model support page.BOOTMGR is a file named Windows Boot Manager. IMPORTANT: For model specific information about using the VAIO Recovery Center software, consult the operating instructions supplied with the product. Restore the entire C: drive to its original, factory-installed condition using the Restore C: Drive option in the VAIO Recovery Center.When performing a full system recovery, all software applications, configurations, and data added to the restored drive will be erased.

Reset the computer BIOS to the default settings.Turn off the computer, remove the media from all drives (optical, USB, floppy, etc.) and restart the computer.Press and hold the Power Switch for 5 seconds to turn the computer off, and then restart the computer.

NOTE: Because each of these steps represents a possible solution to this issue, check the computer status after completing each step. You might also see this error if the computer is trying to boot from a non-bootable source, such as a hard drive, flash drive, optical drive or floppy drive that is not properly configured to be used as a boot device.įollow these steps when the error Bootmgr is missing is displayed. The Bootmgr is missing error can be caused by corrupt files, corrupt hard drive sectors or hard drive failure, operating system upgrade issues, BIOS settings, or by damaged or loose hard drive cables.

Windows 7 bootmgr is missing fix