1st option : get a CD including Boot-Repair The easiest way to use Boot-Repair is to burn one of the following disks and boot on it.
Boot-Repair is included in Ubuntu-Secure-Remix (multi-languages, ok for Wifi, LVM and RAID, 32 or 64bit, based on Ubuntu 12.10, Boot-Repair shortcut in the desktop, the 64bit version is UEFI-compatible)
Boot-Repair-Disk is a CD starting Boot-Repair automatically. Both 32&64bit and only 360Mo, but: English only, no Wifi, no LVM, no RAID.
Remark : you can also install the ISO on a live-USB (eg via UnetBootin or LiliUSB or Universal USB Installer).
2nd option : install Boot-Repair in Ubuntu - boot your computer on a Ubuntu live-CD or live-USB.
- choose «Try Ubuntu»
- connect internet
- open a new Terminal, then type:
sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update - Press Enter.
- Then type:
sudo apt-get install -y boot-repair && (sudo boot-repair &) - Press Enter