Steps to Convert MBR to GPT Ubuntu / Debian with Images
Step by Step conversion of MBR partition table to GPT & Install Grub-efi Steps to convert MBR to GPT partition table with UEFI grub. OS & Release : lsb_release check to see if /sys/firmware/efi exists. [ -d /sys/firmware/efi ] && echo UEFI || echo BIOS Check Disk & Partition fdisk -l Here 20GB Disk, 18.3GB / partition & 1.5 GB swap , There are no space left on drive. EFI required approx 200M space with FAT16/32 file system. So we have to reduce old partition Check & change your bios setting ( legacy to uefi ) Step 1: Boot your system using live Ubuntu 16.4 . Create Live Ubuntu 16.4 Bootable pendrive OR Boot Your system using bootable dvd/cd Step 2: After boot check to see if /sys/firmware/efi exists. [ -d /sys/firmware/efi ] && echo UEFI || echo BIOS Check disk Partition gdisk -l /dev/sda Step 3: Resize partition - Open gparted gparted Select Ubuntu installed disk for resize ( my disk ...