New
#1
Messed up WindowsRE after various OS installations in a partition
Hi. Before starting, I'd like to note that I already tried to get help from the Microsoft forums, but all I got is a redirect to the TechNet forums where the available categories don't match to my problem, so I'll try here.
I'll do a quick recap: in 2013, I bought a license for Windows 7 and have been using it until December 2016, when I finally decided to migrate to Windows 10. I downloaded the ISO from Microsoft, did an upgrade, and it all worked fine. I never had to access the Windows Recovery Environment from neither OS so I can't confirm whether it worked properly on the upgraded Windows 10.
Recently (that same month) I installed a trial copy of Windows 8.1 to get a few things from its registry for my Windows 10's one, and uninstalled it after getting it all done. Since I had a Metro Boot Menu that was restarting my system after it automatically pre-loaded the operating system I didn't want to log-in yet, I switched it via the BCD to the legacy one, also known as "classic boot menu" which lets me choose an operating system before pre-loading any. I know I could choose Windows 8.1 as my default operating system while it was installed, but I not always wanted to boot it when starting the PC. So, I remember how long and 'correct' the BCD list was, but it all changed after the uninstallation of the Windows 8.1 operating system, resulting in a broken "Repair your system" option in the F8's Advanced Boot Menu Options which accessing it only left a black screen that only a restart could remove (the keyboard was still active, however). After some research, I found nothing and decided to follow the steps of working ramdisks that seemed to be fine "\Device\HarddiskVolume3". All it did is just remove the "Repair your system" option at all, and made the BCD list even smaller, as well as making the "System Reserved" partition to be visible inside the "My PC" page. It's 61,4 MB free of 99,9 right now.
I'm attaching the full BCD list in a text file.
EDIT (TL;DR): My main partition's operating system got its System Recovery disk completely messy or something, which doesn't even appear on the bcdedit /enum all list anymore. I'd like to know if there's a way to restore it somehow without doing a whole disk's format&reinstall. I'm sure that there should be a way to copy content from an installation media to the partition the same way it does when installing a Windows OS from scratch.
Last edited by smirnovAl; 05 Jan 2017 at 16:28.