You can try to purposely install LM in Legacy BIOS mode by booting the Live LM USB/DVD in non-UEFI mode through UEFI-BIOS setup's Boot menu, with Win 10 preinstalled in UEFI mode. Click on this free-space to manually partition it accordingly for the reinstall. To reinstall LM, use the manual "Something else" install option, delete all the previous LM partitions to create a new free-space. I want the system to boot Mint by default, with Win 10 as a manual boot option. What I would really prefer is not to have to choose an OS when booting. (I did not try entering "sudo update-grub" at the terminal as I wasn't sure what that would do to the Windows bootloader.) Not knowing what to do with "something else," I quit the installer. Nutso_fasst wrote:Suspecting this problem resulted from my foolish-in-hindsight mistake of booting the install DVD during a restart of Windows rather than after a total shutdown, I tried to re-install, but there's no simple overwrite option. I'll need to study admin.'s suggestion more carefully. So it seems I just need to get the Mint boot option in place. I really don't want to see a dual boot option at startup, just want to make Mint the default boot with Win 10 accessible manually. The /efi subdirectory doesn't exist and would need to be created. These commands should install GRUB w/EFI: GParted shows that '/dev/sda1' is the 'EFI system partition'. I tried the 'sudo update-grub' command and got this response: "/usr/sbin/grub-probe: error: failed to get canonical path of 'aufs'." Wherever that is. Note that Mint is booting just fine from the DVD, no 'compatibility mode' required. When I started started this OS switch I didn't know what it meant to "mount a partition" and if not for Win 10 I'd probably never have learned. I wanted to respond to my own post ASAP, as I am slowly getting more knowledge of what's happened with the install. Sorry so late to respond, I was looking for my post in the list and still don't see it-finally found my way into my user control panel. This was after many complaints from affected users. The above latest(= 2017) OEM laptops, eg Acer E and S series, may have even removed this UEFI-BIOS setting(eg "No bootable device" after installing Linux and cannot be fixed), but may be restored by a new BIOS firmware update from the OEMs = update through Windows only. P S - Certain OEM Win 8.x/10 computers, eg Acer, Asus and HP, have an obstructive or pro-M$ UEFI-BIOS setting for "select an UEFI file as trusted for executing",(= Linux cannot boot). The user will be given the option to increase this default size by moving a slider on the colored Partition table, subject to the maximum available free space in the Windows partition.įor the "Something else" install method, manually partition the pre-shrunk free space accordingly, eg 50GB for /, 1.5X RAM size for Swap(at the end of this space) and 200GB for Home and ensure that the "Device for boot loader installation" is the Windows EFI System Partition(= ESP = fat32/about 104MB/mount point is /boot/efi) which is usually dev/sda1. Only a root / and swap partition will be auto-created with a total default size of about 20GB. To dual-boot, you only need to pre-shrink the Windows partition if you intend to use the manual "Something else" install method, ie no need to do so if you intend to use the automatic "install LM alongside Windows Boot Manager" method, which will be followed by the LM Installer auto-partitioning the disk and auto-installing the Linux Grub bootloader onto the Windows ESP. Viewtopic.php?f=42&t=122276 (manual partitioning Tutorial for Legacy BIOS mode and MBR/ms-dos disks)Įnsure that Secure Boot, Fast Boot and CSM(or Legacy BIOS) are disabled in BIOS setup, Fast Startup is disabled in Win 10/8.1(>Control Panel >Power options), the Live LM media(DVD or USB-stick) is booted in UEFI mode in BIOS setup. uefi-mode/ (note step 17 - if Win 8.x/10 could not boot, ) Viewtopic.php?f=42&t=163126 (dual-booting UEFI computers) įor some guidance on dual-booting LM alongside Win 10/8.1 in UEFI and GPT-disk mode, please refer to. Please counter-check your install procedures with below. Maybe LM was installed in Legacy BIOS mode while Win 10 is preinstalled in UEFI mode.
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