When I'm installing UBUNTU 16.04.6 LTS on my computer in mode UEFI I don't know what's happening because always that the installation is on the part of the installing of the grub It gives me the error about the execution of the grub-install/dev/sda failed, this is a fatal error and is the 5th time that I'm trying to install this, with partition, without partition, with other images, in legacy mode, in UEFI mode...help me please
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.10
ProcVersionSignature: Ubuntu 4.15.0-45.48~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-45-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CasperVersion: 1.376.2
Date: Mon Apr 15 15:18:27 2019
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 16.04.6 LTS "Xenial Xerus" - Release amd64 (20190227)
ProcEnviron:
LANGUAGE=es_CO.UTF-8
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=es_CO.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)
Could you give details on how you do the partitioning? Which one do you select? What filessystem does it use and do you format it?