Sudo grub-install dev hda

So, I booted to the CentOS 5. It isn't a panic, yet. I'd just like to know why I can't do this. What happened to the BIOS? Thanks, owa. Re: problem with grub-install Post by oldwierdal » Tue Oct 21, am Since fdisk sees all drives and partitions, I'm not sure how this could be a hardware issue, but I can't rule that out, yet. This is completely baffling. Does anyone have a clue what might be going on?

Re: problem with grub-install Post by oldwierdal » Tue Oct 21, pm I was unsure whether you meant that I should boot from the CentOS install media, or from the hard drive. I'll give the information from the hard drive first.

But it should be the same, I think, either way. Here is the device. Now, I'll boot from the CentOS install media, and write out the same information, and post back in a little while. Actually, my machine dual-boots just fine.

I can boot to either OS, and each performs flawlessly. Ask Ubuntu is a question and answer site for Ubuntu users and developers. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. I'm a first timer obvy. I want to dual boot with Windows It's a Dell machine with some mysterious partitions. Originally I installed Ubuntu Learned that I'd have to go into 'bios' each time I wanted to run it.

Boot-repair throws an error too, with the txt file apparently having some invalid characters - pastebin. Always the same grub-install error. Assume it's something to do with the original legacy-enabled install and, erm, me. I ended up fixing it by re-installing in Legacy mode successfully and manually install grub-efi by doing the following from Can I install in UEFI mode with the alternate installer?

After the installation, reboot the computer into a live CD or any Linux CD that can mount the hard drive partitions. Then, do the following: replace with appropriate partition numbers. Ubuntu Community Ask! Sign up to join this community. GRUB can only be installed in this setup by using blocklists. EFI variables are not supported on this system. Now I can boot the old install from its own grub-menu.

However I can mount it in Linux. This topic was automatically closed 3 days after the last reply. New replies are no longer allowed. Hi I lost my boot sector so I need to reinstall grub.