windows 10 bootrec fixboot access denied

Likewise, if you have an MBR formatted disk (let's say a new one) and plan to install Windows in UEFI mode or want to migrate to GPT, the Windows installer (when booted in UEFI mode) will tell you that there is no disk to install on! If the disk is different than the way the installer was booted, you either have to go back and reboot the Windows installer the other way to match the existing drive layout, or you have to format the disk to match the way the installer is currently booted.īasically, modern bios and Windows installers, require that you boot your rescue media (Acronis Rescue media or Windows installer) to match the OS install. If you have an existing Legacy MBR disk that the OS is installed on, but you want to upgrade the OS using (let's say from Win 7 to Win10 as an example) and migrate to GPT, you would need to boot the installer in UEFI Mode. Joseph this is an issue from Microsoft and bios booting. Your speller has a problem, it even thinks that Acronis is misspelled. When I highlight them (to correct) all I see is cut, paste, etc.

How do I get its image onto the new drive so that it boots on that old computer?īTW, i have misspelled words. I have supposidly valid TIB file on my file server.

Googleing I read this … and try it but does not work either. bootrec /FixBoot fails 'access is denied'. I boot win10 recovery tools 'bootrec /fixmbr' runs ok. I take the drive over to that dell system and try to boot. My guess is that is not supposed to be there. I used acronis to load the TIB archive and restore to new 1TB drive but I see there is a 4th item as shown in ac2. Original disk was 256gb, new one was 1TB. Backup shows 3 items: Windows 'g', and two recovery partitions as shown in ac1

I have old Dell 435mt with legacy bios and I put its hard drive in a USB adapter and made a backup few weeks ago. Seems every new release of Acronis (or more likely win10 update) there is a problem restoring.

Windows 10 bootrec fixboot access denied