When I list the disk/partition in DISKPART, it shows up as NTFS and "Healthy", and I can navigate the directory structure from DOS with no problems. I'm at my wits end here, and I cannot understand why Windows refuses to see this as a valid install.
please make sure that all required file system drivers are loaded and that the volume is not corrupted However on the import, I get my familiar friendly message: volume does not contain a recognized file system. boot into a similar operating system from USB or DVD and run the repair console which is available just after you enter your first regional and language settings. Then I've also tried rebuilding the BCD store by hand: set systemdrive=C:īcdedit.exe -store %tempbcd% -create -d "Windows Boot Manager"īcdedit -store %tempbcd% -create -d "Windows Vista" -application osloader>%tempfile%īcdedit -store %tempbcd% -set %winvistaguid% osdevice partition=%systemdrive%īcdedit -store %tempbcd% -set %winvistaguid% device partition=%systemdrive%īcdedit -store %tempbcd% -set %winvistaguid% path \Windows\system32\winload.exeīcdedit -store %tempbcd% -set %winvistaguid% systemroot \Windows Then bootrec as above, both with and without a reboot after the DISKPART commands. I've also tried all of the above after making my Windows partition active: C:\> diskpart Which completes successfully (sorry, no output.) So then I attempt to fix the bootsector: C:\> bootsect /nt60 C: /force please make sure that all required file system drivers are loaded and that the volume is not corrupted. C:\> bootrec /RebuildBCDįails with volume does not contain a recognized file system. Booted from CD/DVD drive, used custom installation to delete the previous partitions and installed Windows 10.
I attempt to use bootrec: C:\> bootrec /ScanOSįinds C:\Windows as a system partition. How to fix bootrec /rebuildbcd fails the requested system device cannot be found Windows 10, 8, 7 First of all, you need to be in Advanced option to open Windows Command Prompt. When I drop into the command prompt, I am able to see and navigate my C:\ drive without issue. When I boot with the Windows 7 disc and go into repair tools, no operating system is found, and attempting to automatically repair the problem fails with Unknown Operating System (Unknown Disk) or something similar. When I boot up now, I get the black screen with BCD error that says theres no valid file system or it may be corrupt (pardon my lack of detail, no copy/paste is available then). I'm hoping someone here has more ideas on how to fix this. I tried the suggestion to export and delete my bcd first but that failed too, I don't even have a boot folder.Īll guides I find for next steps suggest to create an EFI partition but I can't do that on an MBR drive.For 3 days now I've been unable to boot into my Windows 7 partition, and all my research has been to no avail.
I tried bootrec /rebuildbcd, it finds the Windows install but then says "requested system device cannot be found". I tried bootrec /fixmbr and bootrec /fixboot, they completed successfully, since then I get missing bootmgr at boot. I tried running the boot recovery from the DVD both booting it as UEFI and legacy but it did nothing. So now I have an MBR SSD with the OS and a recovery partition and 2 GPT HDDs with some user files, but nothing related to the system.
For some reason it also formatted one of the HDDs in MBR and made a 500-ish MB system partition on it.Īfter setting up everything, I nuked the HDD and reformatted it as GPT with a single partition, deleting the system partition. I've accidentally booted the DVD in legacy mode instead of UEFI for the install, and it formatted the SSD in MBR.
I've installed Windows 10 pro on the SSD from an old DVD via a USB DVD drive. I have a Samsung 960 M.2 SSD in an Asus Strix X370-F and 2 sata HDDs. During the cleanup after building my PC I managed to break my Windows installation and I can't figure out how to fix it without starting over.