No changes were made since last boot. Attempted to follow instructions posted here: windows 7 bootmgr is missing-- resolved using WinRE - Microsoft Answers Method 1: Message states a fix was made.Root cause found: The partition table does not have a valid System Partition. Repair action: Partition table repair Result: Completed successfully. Error code = 0x0 However, problem persists after reboot. The wizard indicated that multiple reboots may be necessary, but the wizard does not restart after reboot. Method 2: Attempted to use Bootrec.exe /FixMbrMessage: The operation completed successfully. Attempted to use Bootrec.exe /FixBoot Message: Element not found. Attempted to use Bootrec.exe /RebuildBcd Message: Element not found. Attempted to export and delete the BCD. The command bcdedit /export C:\BCD_Backup returned: The store export operation has failed. The requested system device cannot be found. Method 3: When I attempt a system restore, it errors with: To use System Restore, you must specify which Windows installation to restore. When I view the System Recovery Options dialog box, no Windows installation drives are listed. In addition, when I view the C: drive in the DOS window (my Windows installation drive), that drive lists as empty.