Ubuntu – Just installed ubuntu 14.04 but after restart it wont boot


I used a live USB to install Ubuntu 14.04 and completely erase windows 8.1, the installation went fine but when I restarted the computer Ubuntu wouldn't boot from my HDD, instead it came up with try Ubuntu or install Ubuntu so I restarted without the live usb plugged in and I got an error message Reboot and select a proper boot device or insert boot media in selected boot device and press any key.

I read a lot of posts about people that had similar problems but so far none of the solutions that worked for them have worked for me.

I also ran boot-repair but that didn't fix the problem either.

Here is the link from boot-repair http://paste.ubuntu.com/7763898/

Please any help would be appreciated.

My laptop is a Toshiba Satellite U50D-A notebook with AMD A6-5200 processor

Best Answer

At the very top of boot repair info you posted it says you have two disks

  1. /dev/sda (apparently your hard drive)
  2. /dev/sdb (apparently your USB stick)

/dev/sda has an EFI boot partition and /dev/sdb has an MBR boot loader.

Check boot device

Boot your computer and go to BIOS by pressing one of:

  • F1
  • F2
  • DEL
  • ESC
  • F10

And make sure you are booting from your hard disk.

Check EFI partition

According to Ubuntu UEFI documentation, the EFI System partition should have a 'boot' flag. According to the boot repair info you posted, your partition does not have it.

To fix: boot from Live USB and run gparted. From there you can edit your partition table and add the 'boot' flag.

Related Question