["Operating System Not Found"] after installation

Boot to live CD and reinstall grub2

https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows
This link should help you.

@actionparsnip

Do I have to burn 'live cd' at Ubuntu.com?

Forgive me, but what is grub?

Kindest,

If you have a live cd then you can use that

from the file browser, I found grub2, however, I'm trying to figure out to reinstall it.

Grub is the boot loader, i.e. the program which allow you to load Ubuntu or Windows.

https://help.ubuntu.com/community/RecoveringUbuntuAfterInstallingWindows

@delance I figured out how to do it via the terminal. Still a 'no go'. HOWEVER, one thing that I noted in the file that you shared with me. It showed an example after mounting it. In that example, the string contained a '/boot'. Mine did not. Should/can i configure the demand?

2actionparsnip: Still a no-go. What I did was boot from Live, open terminal, 'mount | tail -1', then sudo installed that file. Notta. Out of curiousity, afterwards I typed 'grub' at the main prompt and it told me that it was not installed, although it clearly was.

Grub2 has no runnable named grub. Instead you must type:
  grub-install --version
If you have no "/boot" in your hard drive, it means Grub2 is not installed. When you boot on Live CD, it should appear in mounting point directory.
Can you boot on Live CD, and post result of command:
   sudo parted -l
where "-l" is lower case "-L".

ubuntu@ubuntu:~$ sudo grub-install --root-directory=/media/ec44fc5b-e401-4c12-85f5-b4c2f9320d25 /dev/sda1

/usr/sbin/grub-setup: warn: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea..

/usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and its use is discouraged..

/usr/sbin/grub-setup: error: if you really want blocklists, use --force.

ubuntu@ubuntu:~$ sudo grub-install --root-directory=/media/ec44fc5b-e401-4c12-85f5-b4c2f9320d25 /dev/sda1

/usr/sbin/grub-setup: warn: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea..

/usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and its use is discouraged..

/usr/sbin/grub-setup: error: if you really want blocklists, use --force.

ubuntu@ubuntu:~$ sudo grub-install --root-directory=/media/ec44fc5b-e401-4c12-85f5-b4c2f9320d25 /dev/sda1

/usr/sbin/grub-setup: warn: Attempting to install GRUB to a partition instead of the MBR. This is a BAD idea..

/usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and its use is discouraged..

/usr/sbin/grub-setup: error: if you really want blocklists, use --force.

See previous post.

@delance

I am completely reinstalling. Should I mount first before your last instructions?

You said: grub-install --version

Type 'version' the word or the version of ubuntu?

You said: sudo parted -l

After I type the previous?

Type 'version' the word or the version of ubuntu? the word
After I type the previous? no importace

ubuntu@ubuntu:~$ grub-intall --version
No command 'grub-install' found, did you mean:
  Command 'grub-intall' from package 'grub-efi-amd64' (universe)
  Command 'grub-install' from package 'lupin-support' (main)
  Command 'grub-install' from package 'grub-efi-ia32' (universe)
  Command 'grub-install' from package 'grub-coreboot' (universe)
  Command 'grub-install' from package' 'grub-ieee1275' (universe)
  Command 'grub-install' from package 'grub' (main)
  Command 'grub-install' from package 'grub-pc' (main)
grub-install: command not found

ubuntu@ubuntu:~$ sudo parted -1
Model: ATA IC25N030ATDA04-0 (scsi)
Disk /dev/sda: 30.0GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number Start End Size Type File System Flags
1 1049kb 28.7GB 28.78GB primary
2
3

2 28.7GB 30.0GB 1283MB extended
5 28.7GB 30.0GB 1283MB Linus-swap(v1)

Warning:unable to open /dev/sr0 read-write (read-only file system). /dev/sro has been opened read-only.
Error: /dev/sr0: unrecognized disk label

"sudo parted -l" and not " sudo parted -1"

delance@delance-desktop:~$ grub-install --version
grub-install (GNU GRUB 1.98-1ubuntu7)
Works on my computer!

type also
   find /boot -name grub.cfg
and
   find /boot -name menu.lst

'find /boot -name grub.cfg' and 'find /boot -name menu.lst' just return to prompt with no message.

'sudo parted -l' shows my last message ending with 'Error: /dev/sro: unrecognized disk label'

ubuntu@ubuntu:~$ sudo parted -1
Model: ATA IC25N030ATDA04-0 (scsi)
Disk /dev/sda: 30.0GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number Start End Size Type File System Flags
1 1049kb 28.7GB 28.78GB primary
2 28.7GB 30.0GB 1283MB extended
5 28.7GB 30.0GB 1283MB Linus-swap(v1)

Make no-sense. You have nothing on first partition. You need to reinstall from start.

I just tried 'gurb install --version' again:

"the program 'gub' is currently not installed. You can install it by typing:sudo apt-get install grub"

I DID

"Reading package lists... Done
"Building dependency tree
"Reading state information... Done
"Suggested packages:
  grub-legacy-doc mdadm
"the following packages will be REMOVED:
  grub-pc
"0 upgraded, 1 newly installed, 1 to remove and 0 not upgraded.
"Need t oget 406kb of archives.
"After this operation. 1,335kb disk space will be freed.
"Do you want to continue [Y/n]? Y
"Err http://archive.ubuntu.com/ubuntu/ lucid/ main grub 0.97-29ubuntu60
  Could not resolve 'archive.ubuntu.com'
"Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/g/grub/grub_0.97ubuntu60_i386.deb Could not resolve 'archive.ubuntu.com'
"E: Unable to fetch some archives, maybe run apt-get update or try iwht --fix-missing?
<Prompt>

@reinstall

I will again, however, this will be the fourth time.

Perhaps I should ask this first and will wait for a reply:

I have no other OS on this computer. Step 4 of 7 asks if I would like to:

1) Intall them side by side
2) erase and use entire disk
3) specify partiions manually (advanced)

I have been choosing #2 since I have no other OS?

I manually set the partion table at:

2G /boot
9G /
5G /Swap
and the rest as free space

Okay, after partioning on a fresh install and typing 'sudo parted -l', here is what I get:

Model: XXX
Disk /dev/sda: GB
Sector size (logical/physical): 512B/512B
Partition table: msdos

Number - Start - End - Size - Type - File system - Flags
1 - 1049kb - 1000MB - 999mb - Primary - ext4 - boot
2 - 1001mb - 3linux-swap(v1)0.0GB - 29.0GB - extended -
5 - 1001mb - 10.0GB - 8999mb - logical - ext4
6 - 10.0GB - 15.0GB - 15.0GB - logical - linux-swap(v1)
7 - 15.0GB - 30.0GB - 15.0GB - logical - ext4

Warning: Unabable to open /dev/sr0 read-write (Read-only file system). /dev/sr0 has been opened read-only.
Error: /dev/sr0: unrecogniszed disk label.

Does it work ?