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Thread: Fresh install of 12.04 leads to grub prompt after update

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the situation couldn't simpler. yesterday downloaded alternate installer 12.04 , installed system on hard drive in system, selecting guided partitioning using enitre disk. entire installation went flawlessly, , network available enitre time package retrieval. system rebooted perfectly, , proceeded allow update manager, launched spontaneously, download , install new updates, bringing entire system date of hour ago. after installing openssh-server manually, rebooted system update-manager requested - find myself stuck @ grub prompt. surprised given previous - , - boot of system had been successful.

screen says:

gnu grub version 1.99-21ubuntu3

minimal bash-like line editing supported. first word, tab lists possible command completions. anywhere else tab lists possible device or file completions.

grub>

have tried far rerun grub-install according directions here. although 12.04 live cd fails boot completely, apparently having problem video driver, why used alternate installer, able reach command line through ctrl-alt-f1. "sudo fdisk -l" command shows following partitions:

disk: /dev/sda: 300.1 gb, 300069052416 bytes
255 heads, 63 sectors/track, 63481 cylinders, total 586072368 sectors
units = sectors of 1 * 512 = 512 bytes
sector size (logical/physical); 512 bytes / 512 bytes
i/o size (minimum/optimal); 512 bytes / 512 bytes
disk identifier: 0x00019e7e

device boot start end blocks id system
/dev/sda1 * 2048 584509439 292253696 83 linux
/dev/sda2 584511486 586072063 780289 5 extended
/dev/sda5 584511488 586072063 780289 82 linux swap / solaris

said, commands:

sudo mkdir /media/sda1
sudo mount /dev/sda1 /media/sda1
sudo grub-install --root-directory=/media/sda1 /dev/sda

completed successfully, had no effect on failure boot.

assume when updated system wrong latest kernel put repository , needs replaced, hope other 12.04 system not affected. meanwhile, use suggections how boot , restore new, bricked system.

while root should work new grub 1.99 suggest boot.

sudo mount /dev/sda1 /mnt
#if grub 1.99 natty or later uses boot not root.
sudo grub-install --boot-directory=/mnt/boot /dev/sda

have had issues larger / (root) paritions, 1gb or more. suggest 25gb / , use rest /home or data.


Forum The Ubuntu Forum Community Ubuntu Official Flavours Support Installation & Upgrades [SOLVED] Fresh install of 12.04 leads to grub prompt after update


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