11.04 - No longer able to boot stuck in busybox shell

I've installed win 7 and ubuntu 11.04. After a storm killed the power. I'm unable to boot.

I'm stuck in the busybox shell (ash).

Here's what happens when I boot:

• Bios loads


• Grub displays option to load:
  
  
  
  • ubuntu
  
  
  • ubuntu recovery
  
  
  • memtest
  
  
  
  • another memtest option
  
  
  • win7
  
  
  • win 7 recovery
  
  


• I load Ubuntu
  
  
  
  • This cause it to load and i see no normal ubuntu screen just the busybox shell
  
  
  • I try loading ubuntu via fsck -l and it returns me a /bin/sh not found error.
  
  


• I load Windows 7 and I'm unable to boot. I get a blue screen of death



• I then load Ubuntu recovery and i don't have any luck either.

Any ideas where to go from here?

The fact that you cannot boot both windows 7 and ubuntu doesnt sound promising - maybe you've lost part or all of your partition information on your hard-drive or at a minimum, your master boot record has become corrupted.

Try booting via a USB or live CD - using gparted, do you see all your partitions?

Using nautilus (file manager) - can you mount your hard-drive and see your files?

suggestion 1

If everything appears to look ok - suggest reinstalling your grub using this AU answer

suggestion 2
If your partitions look ok, try running a fsck on each of the ext partitions displayed in gparted as per this AU answer

suggestion 3
If your partitions look a little screwy or non-existent then try a disk recovery procedure as per this AU answer