I've got Windows installed on a 500GB drive and want to install Linux Mint on one of my two 1TB drives. I've set aside 500GB for the Linux Mint installation. However, during installation, Mint doesn't detect my existing Windows setup, and it only boots directly into Mint without showing a GRUB menu. I've checked the BIOS settings; both secure and fast boot are disabled. In BIOS, there's an option for boot mode: EFI+Legacy or EFI, and if I set it to just EFI, my Windows drive disappears. Does that mean I need to install Mint in Legacy mode, or is there a better fix? I've tried repairing GRUB and mounting the drives via terminal, but no luck. Any help would be appreciated!
2 Answers
It's definitely a Windows quirk! Usually, both OS can coexist in UEFI, but it sounds like you're hitting a snag with the boot options. Make sure you're fully set in UEFI mode for both installations. If switching to just EFI causes your Windows option to vanish, it could suggest a deeper compatibility issue. Try reinstalling Linux Mint in UEFI mode to match your Windows installation. It's a pain, but UEFI setups can be finicky. Also, have you tried using the `boot-repair` tool? It might sort out your GRUB issues.
This situation is pretty common with dual-boot setups, especially when Windows is involved. Windows tends to take control of the boot process, and it doesn't play well with Linux when both are on the same drive. Sometimes, using two separate drives for each OS can be less troublesome. Check out some boot troubleshoot guides out there for insights specific to your setup. You might find better results by focusing on general boot-related forums; they often have a wealth of experience with these kinds of issues. Also, ensure you're installing Linux using the same mode (UEFI or Legacy) that Windows is running in to keep things consistent.
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