If you are encountering an issue where Linux fails to install the GRUB boot loader at the end of a successful installation, it could be due to a variety of reasons. Here are some potential causes and solutions you can try:
The installation media is damaged or corrupted: If the installation media (e.g., a DVD or USB drive) is damaged or corrupted, it may cause the installation process to fail. You can try checking the integrity of the media by running a checksum check or verifying the ISO image.
The hard drive is not recognized by the system: If the hard drive where you are trying to install Linux is not recognized by the system, it may cause the installation process to fail. This can happen if the hard drive is not properly connected or if it is not compatible with the system. You can try checking the hard drive connections and ensuring that the hard drive is compatible with the system.
The hard drive has an invalid partition table: If the hard drive has an invalid partition table, it may cause the installation process to fail. You can try using a tool like "gparted" or "fdisk" to repair the partition table.
There is a conflict with another bootloader: If you have multiple bootloaders installed on your system (e.g., GRUB and LILO), it can cause conflicts and prevent Linux from installing the GRUB bootloader. You can try uninstalling or disabling the other bootloader before installing Linux.
There is a problem with the GRUB configuration: If the GRUB configuration is incorrect or corrupt, it can cause the installation process to fail. You can try manually installing GRUB and configuring it using the "grub-install" and "grub-mkconfig" commands.
There is a hardware issue: If none of the above solutions work, it is possible that there is a hardware issue with your system that is causing the installation process to fail. You can try checking for hardware issues by running hardware diagnostics or contacting the manufacturer for assistance.
If you are still unable to install Linux and the GRUB bootloader after trying these solutions, you may need to seek further