I am running Windows 7 64 bit Ultimate on two PCs on my home network. I went to use one yesterday and was presented with a black screen. I rebooted the PC hoping that would solve my issue and was presented with the following error message while trying to reboot: Windows failed to start. A recent hardware or software change might be the cause. File: BOOT BCD Status: 0xc000000d Info: An error occurred while attempting to read the boot configuration data I checked my other PC and saw that it had been updated with several Windows patches yesterday. I'm guessing that the broken PC had an issue installing or rebooting from one of the patches. Edit Windows Start FileWindows Boot Manager Windows failed to start. Ing multiple files depositfiles. The “Windows Boot Configuration Data File is Missing. Ls -l /other/efi/EFI/Microsoft/Boot/BCD* ## figure out. I ran the repair utility on the windows 7 dvd as instructed by the error message. It was unable to find a previous installation of windows with an error box saying: The file or directory C: Boot BCD is corrupt and unreadable please run Chkdsk utility. I tried the auto repair anyway, which appears to be working until the end when it gives me the 'The file or directory C: Boot BCD is corrupt and unreadable please run Chkdsk utility' error again. Then it says it can't save the fixes and says it can't be repaired. When I check the details it says I need to 'repair offline' and that it cannot find an OS installed. In my searches for an answer, I read about rebuilding the BCD through the command prompt. I ran the following commands: BOOTREC /FIXMBR - said it was successful BOOTREC /FIXBOOT - said it was successful BOOTREC /REBUILDBCD - failed saying The file or directory C: Boot BCD is corrupt and unreadable please run Chkdsk utility I ran chkdsk and got no errors. I only have one hard drive, but when I go to a command prompt (from the repair section on the Windows 7 Install disk) it defaults to D. I checked C: and it appears to be making the reserved system space drive C:, which would explain why I can't find a windows install on it. Windows 7 Failed To Start File Boot BcdIs there a way to fix that? If not, does anyone have any other suggestions? Worst case, If I just go down the path of re-installing windows without formatting the drive, will it pickup my old settings? Here is what system info I could get (from the BIOS startup diagnostics): Main Processor: AMD Athalon 64x2 Dual Core Processor 3800+ Memory Testing: 2030592K +64M shared memory Memory Information: DDR2 533 Dual Channel, 128 bit CPU L2 cache size: 512K x 2. Drive letters in WinPe will probably be different from what you see in windows - that is normal. Vista laptop disconnects from wireless. ![]() I would delete the bcd store and run the commands again. Yes you should be pointing them at the reserved system partition. Otherwise, at cmd prompt, type: diskpart lis vol ( Look to see the drive letter for your main windows partition - if it is D then type as below, otherwise replace D with the letter diskpart gives for the main windows partition) sel vol d act exi bcdboot d: windows /s d: bootsect /nt60 all /mbr restart the pc - you're good. Similar help and support threads Thread Forum I recently tried to turn on my pc and the boot manager screen is up and no matter what i do for several days now i cant get past this screen someone please help ive tried everything General Discussion Hello everybody, I wouldlike to know how to enable/disable the BCD. Can you help me please?
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