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I have just completed a fresh install of ubuntu 15.04. Everything seemed successful, but when I boot I get a black screen with a blinking cursor.

I installed it on an ssd drive (/dev/sda) enter image description here

I tried to reinstall grub2 but it did not work:

sudo mount /dev/sda5 /mnt

sudo mount --bind /dev /mnt/dev &&
sudo mount --bind /dev/pts /mnt/dev/pts &&
sudo mount --bind /proc /mnt/proc &&
sudo mount --bind /sys /mnt/sys

sudo chroot /mnt

grub-install /dev/sda
grub-install --recheck /dev/sda

update-grub

exit &&
sudo umount /mnt/sys &&
sudo umount /mnt/proc &&
sudo umount /mnt/dev/pts &&
sudo umount /mnt/dev &&
sudo umount /mnt

but the problem still exists.

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  • I looked over this but the fixes seem to be if you can get into the grub menu. I can't even get that far. I should not that I am using a Nvidia graphics card (gtx780) – user2924127 Jan 10 '16 at 21:43
  • I have tried to set nomodeset in the grub file as well but the problem still persists. – user2924127 Jan 10 '16 at 22:07
  • You need to boot with nomodeset using grub menu, then install the driver. – Pilot6 Jan 11 '16 at 10:41
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I think the issue is on /dev/sda1. This is the extended partition ... AS A WHOLE ... So therefore it looks like the boot flag should be on /dev/sda5 not /dev/sda1

| improve this answer | |
  • Thanks this was it. So simple can't believe I missed that! Thank you so much – user2924127 Jan 10 '16 at 23:06

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