Rescatux was the standard for grub repair in MBR and EFI systems. It has a ton of tools. Recent updates arent compatible with new machines and the system wont load anymore. If you have a GPU+CPU machine (like a AMD A6 R4) forget to use rescatux.
However if your machine is compatible, use rescatux as it's probably the best tool for repairing boot problems, disk management and thousand of thing more.
ALT Linux - ALT Linux is a set of RPM-based operating systems built on top of the Linux kernel and Sisyphus...
Hirens BootCD - Hirens BootCD is a powerful, all-in-one boot disk utility that will help you resolve and make reformatting your computer easily.
Ikki Boot - Ikki Boot est un cd multiboot qui contient trois Live cd : Slitaz, GParted et Clonezilla
Ultimate Boot CD - The last Boot CD you'll ever need. You need the Ultimate Boot CD if you want to:
Finnix - Finnix is a small, self-contained, bootable Linux CD distribution for system administrators, based...
Windows Assessment and Deployment Kit - Windows Assessment and Deployment Kit (Windows ADK) is an accumulation of equipment that you can use to alter, evaluate, and convey Windows working frameworks to new PCs.