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My CPU & mobo: ECS A75F2-A2 (1.0) SOCKET FM2 MOTHERBOARD, Amd A-Series APU A6-6400K BLK EDT 4100Mhz FM2 65W,

I had a similar problem with 14.04. It would get to the ubuntu logo with the dots and...

The command to run is
sudo fdisk -l the command you ran which is highlighted in bold above is looking for a single partition partition instead of the partition table for the disk.Here is my output...

The actual command is
sudo update-grub to detect and update your OSs in GRUB.

I had a toshiba c655 series. Problematic for Ubuntu and Mint. Installed Arch and no problems. Go figure! In Arch the proprietary AMD drivers were no good for video.

+1 for dual booting.

Glad you got everything sorted out Bill. Enjoy Ubuntu!

Edit: That explanation from WD makes sense. Both setups you got the GRUB rescue prompt because the disk was not initialized fast enough and...

+1 for lubuntu on an old machine. I set up lubuntu on a friend's old lappie. She loves it, says it is so much quicker than XP. I know it runs nice because sometimes I have to show her how to do some...

read post #7 and you will see she is trying a clean install of a current version of Ubuntu. The DVD works in another computer. So I believe the problem is her optical drive, not the DVD.

are you installing BURG or GRUB? Your thread title say GRUB, but your post says BURG?

LOL. It looks like we are both right!!

I have been booting for years without a boot flag for linux. So maybe it is hardware related.

Unless there has been a recent modification to GRUB 2 as far as I remember linux does not need a boot flag. See here
Here is my fdisk -l output:


raz@raz-TA790GXE:~$ sudo fdisk -l
[sudo]...

Did you try another bootable DVD/CD in the offending machine? You need to find out if the optical drive is the problem.

You want to choose "Something Else" from the options the installer gives you. Then you have to manually set up the install to that partition. Highlight the partition and click the change tab. Select...

When you boot choose advanced ubuntu options > recovery mode. When recovery mode loads choose root. This will put you in a root shell. run
e2fsck /dev/sdXZ -y -f -v -c

where /dev/sdXZ is your...

So it would seem the problem after all was your external drive, not the installs you did. Glad you got it sorted out. BTW linux does not need a boot flag to boot, however windows does.

Your windows is not installed to a primary partition. You have the System Reserved at sda2. This contains the windows OS boot files. It is marked as boot which it should be. However you have no other...

Seems to be a BIOS thing. You should be able to press a key at boot to bring up a one time boot from device menu. On my BIOSTAR motherboard it is F9. This brings up a menu which allows me to select...

If windows is on an SSD do not run Defrag! An SSD saves files differently than a HDD, no need to defrag. Also defrag will waste precious read/write cycles and hasten the end of your SSD as it gets...

Boot the USB and don't choose to install. When the desktop loads open a terminal and run
sudo fdisk -l
That is a lowercase L at the end of that command. This will show your partition table. Post...

I just thought of something. if you can open the case and disconnect your internal drive, then install ubuntu onto the external disk this will avoid most problems. GRUB will automatically be put on...

It should work. You want to choose the device (location) of bootloader to be sdb, not sda. There is a drop down box on the installer that lets you choose where to install the boot loader (GRUB). It...

If you have more thasn 4GB od RAM I would go with the 64 bit as 32 bit only sees and makes use of a little less than 4GB. I would go with 12.04 Ubuntu LTS. It is a very stable long term support...

To keep each installation's bootloader untouched and on it's own MBR is the goal. You already have windows MBR set up. Now you want to put GRUB on the external disk's MBR, How many disks do you have?...

click the top dash of the unity bar and type in terminal and it will display for you.

Don't install when you boot the CD. When the desktop loads open a terminal and run the commands.

If you want to keep both do what I suggest without the external plugged in. Then you need to...