Missing boot after installation

[givecake]

Hi all.

I'm a beginner. I tried to install MX 19 wanting to replace Windows 10. I deleted all of the partitions except one NTFS data partition I wanted to keep. After doing what I thought would work, my partitions looked like this:

/dev/sda3 ext4 186gb
/dev/sda5 NTFS 254gb
/dev/sda1 swap 3.9gb
/dev/sda2 NTFS 21.1gb

I installed MX on sda3, and made the swap for it.
After I restarted, there was no boot. I had to use the USB installer to find the installed grub and run the system from there.

Any ideas as to how to remedy this? Do I need to carve up that sda2 to make a boot partition or something? Any hints would be greatly appreciated.

[fehlix]

You would not need an extra boot partition. Have you tried running "MX Boot Repair". If that does not help, do show "Quick System Info" found in the menu.Note, the shown text will be copied to the clipboard - just paste here.
Also perhaps show the partition layout, with these commands running from the terminal command line:

Code: Select all

lsblk --fs

and

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sudo parted --list

[givecake]

Thanks Fehlix. I re-partitioned and made a 512 boot partition. Then I ran the installer again and it auto-detected the partition and auto set the bootloader and then it worked! Thanks :D