![]() For instance, if you have Win 7 / Ubuntu on Drive 1, and Win 10 on Drive 2, and Drive 1 is set as primary, then your system will continue to boot to that drive despite your BCD settings. If this hardware configuration involves more than one hard drive, you might simply be booting to the wrong HD. Note that you can also run msinfo32 from Windows 7, and there is a listing for the BIOS there as well, but because UEFI was not in use yet when that OS was released I think it will just give you your BIOS version, so it's probably best to check this from Win 10 instead. ![]() About halfway down your BIOS Mode will be listed. To figure out which firmware interface you're using, in Windows 10 open the Run window (Windows + R) and type msinfo32. Please elaborate on how you completed the Windows 10 install (if you remember).Īnyway, moving on with the answer. In either case you wouldn't be able to boot into Ubuntu at all. deployed Win 10 in BIOS mode) or subsequently edit the boot settings? One thing that's confusing to me is that, if you installed Windows 10 last then it should have overwritten GRUB 2 in your Master Boot Record (MBR) and/or switched to UEFI (if your motherboard is capable). How did you install Win 10? Did you apply any special settings (i.e.It mainly depends on how old your computer is and if Windows 10 came preinstalled. Are you using UEFI or legacy BIOS? I'm assuming legacy if you had Win 7 first and you were able to dual-boot Linux without too much trouble (many options to change in Win 10 first otherwise), but I could be wrong.Are these all installed on the same hard drive? If not, which OS's are on which hard drive? Which HD is primary in your boot order?.Which system did you install last? It sounds like maybe you had Windows 7 preinstalled, then installed Ubuntu, then installed Windows 10?.I have a few questions which might help clarify the solution: Troubleshooting this depends on many factors however. You might want to disable/shorten the timeout though.Great question. rEFInd should work without additional configuration. Getting Windows installed may be challenging if it decides that your NVMe driver is not bootable, but other than that it should be straightforward. Get the Clover ISO, from there copy EFI\CLOVER\drivers-Off\drivers64UEFI\NvmExpressDxe-64.efi to rEFInd’s drivers_圆4 folder, rename it to NvmExpressDxe-圆4.efi.Get rEFInd (which version depends on how you plan to install it), install it on a UEFI-bootable drive of choice.Okay, I managed to find a way that made rEFInd discover a NVMe drive on my old PC: The page also links to various drivers of interest. ![]() I will not quote it because I cannot verify that it works.Īccording to this page, rEFInd is also capable of loading drivers. Here’s a guide on using Clover to load the driver. Alternatively, you could also modify your UEFI firmware to include the driver. Instead, a different approach might be feasible: Use a generic UEFI NVMe driver (NvmExpressDxe) and have another boot manager load it. If BIOS/UEFI cannot access the drive, neither can Windows Boot Manager. Windows Boot Manager has to use BIOS/UEFI services to load the initial batch of files from the Windows partition. Unlike with Linux, which typically places the kernel next to the bootloader/-manager, Windows does not do so. Is it possible to install the bootloader on the spinning disk while keeping the system installed on the NVMe drive? The SSD is a Samsung 970 EVO that does not require any drivers to show up in the Windows installer or when using a recovery drive. My motherboard is a MSI Z77A-G43 configured to boot in pure UEFI mode. I've had a look at Booting NVMe drive with a bootloader and tried to re-install windows alongside the BCD store that I created which did not change anything. Is there anything I can do to explicitly tell the boot loader which partition/volume to search ? I'm assuming it is looking for the winload.efi file in the (mostyle empty) HDD instead of in the NVMe drive where winload.efi is present. The application or operating system couldn't be loaded because a required file is missing or contains errors. However, Windows now boots directly to a blue screen stating that: I've tried creating an EFI partition at the start of my HDD, formatting it and mounting it to E:, then running Is it possible to install the bootloader on the spinning disk while keeping the system installed on the NVMe drive ? I'm trying to install Windows 10 on a brand new NVMe disk, but I just found out my motherboard can't boot from these (but windows sees it natively in the installer and installs just file), however, I have a spinning HDD that I can boot from.
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