I suppose that the problem is that you installed 64-bit Mint, but you installed it CSM-mode (Legacy). The next command tellsdeepakdeshp wrote:I did install the 64 bit LM as indicated in my previous post.fabien85 wrote:Indeed, you cannot dual-boot systems in different boot modes. Also support for 32-bit is crumbling, so as Laurent said you need to install with the 64-bit ISO which is UEFI-capable.
If there are still troubles in 64-bit (like you still cant install UEFI mode) then we can give further advices, but the first step is a 64-bit reinstall.
Code: Select all
[ -d /sys/firmware/efi ] && echo "UEFI mode active" || echo "Legacy mode active"