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No GRUB Screen or recovery mode on Boot after 12.04 Upgrade

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http://askubuntu.com – I tried the live boot CD and boot-repair, also loaded the Desktop install CD, and it looks like all partitions check out OK. However, when I try to boot Linux (the only bootable partition on the computer) I get a blank screen. Every so often the screen give me something akin to: Assuming write through cache Asking for cache data failed it appears to start booting, then hangs. Ctrl+Alt+Delete shuts down the machine The last message during boot is "STarting TiMidity++ ALSA midi emulation... [OK]" I used boot-repair to generate a boot info report. One thing looks odd to me- it reports a mis (HowTos)

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Submitted by Songlist on 09/06/2012

Stories similar to No GRUB Screen or recovery mode on Boot after 12.04 Upgrade

I recently upgraded to 12.04. After booting I only got the grub shell with no kernels loaded. I tried running boot repair. It told me I use GPT and would need to create a new grub-boot partition. I did this and ran boot repair again successfully. However I now get only a blinking underscore on boot and don't even get a grub shell. Any ideas?

I cannot boot into Linux or Windows now.

I did the boot repair but every time I turn my computer on it goes to Windows then into recovery mode and I went through that and it still brings me back.

I can only get in Ubuntu through the live disc.

This is my paste:

Boot Info Script 0.61.full + Boot-Repair extra info [Boot-Info August 2nd 2012]

============================= Boot Info Summ

Grub lost boot device? 34 weeks 5 days ago

Hi everyone,I got 6 days left until a project of mine is due and today my laptop running #! won't boot anymore after I've restarted it. Although this is not a #! specific problem I would really appreciate any help you can offer.Thing is, after starting the screen goes black with just an underscore flashing, not even reaching Grub boot menu.

Hi, I just moved my Linux and Windows partitions on my new SSD.

Mythbuntu 12.04 - I attempted to move one data drive to a different sata port, now the system doesn't boot (all drives are back to the original sata ports).

I ran boot-repair (using 12.04 live CD, ran the recommended repair) No change, the system doesn't boot.

I can boot the system off a rescue CD, choosing to boot off the correct boot drive.

I downloaded a copy of Ubuntu 64-bit OS iso images and booted up in the thumb drive. I then created a live USB using Unetbootin. I then booted the live USB up in non EFI mode and installed Ubuntu in a separate partition so that I could have 2 Operating System on my computer.

But I could not get the dual boot option.

I tried installing Ubuntu 12.04 from the live CD. The install went fine but i had the next error while booting :

Grub stage 1.5 error 2.

So I used boot-repair as explained here. Still not working, i got this while booting :

GNU GRUB version 1.99-21ubuntu3

Minimal bash-like line editing is supported.

etc.. Nothing more.

Here the report from boot-repair.

Could anyone help me ?

Ok, so I'm having this problem. I have also seen something called Boot Repair

Any help?

[SOLVED] Boot-Repair Works! 1 year 13 weeks ago

I have a couple Toughbooks that I have set-up as multi-boot. Eventually I have gotten Easy BCD to be set up a nice looking boot screen AFTER I struggled to get all three booting.

The boot set-up, grub, grub2, windoz etc have been a pain!