I am trying to do this since along time now, I have windows 7 on my hdd but the boot loader seems to not work since I had already tried installing ubuntu once. how do I get the boot menu back? also, I am trying to make a new installation but it gives error just before the installation ends, the erroe reads as:
executing-grub-install-dev/sda/3-failed-fatal-error
How do I solve this issue?
sudo fdisk -l
from your installing live media .How many internal hard disk do you have , also did you checked the iso image (md5sum)file before trying it out for installation.