[ubuntu] Unsuccessful ubuntu 12 upgrade, MBR issues, Dell 1650 laptop

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http://ubuntuforums.org – Question for the grub dual boot gurus etc, So I tried to upgrade to 12, however the install didn't work. So here's the deal... Ubuntu 12/11/whatever it ended up as, didn't load, so I re installed 11.10 that I had on a disk, however with the junk from the 12 and the unpacked junk for the 11.10 the install failed to complete properly because the partition was full of crap. Que attemped load into windows to back up a few things first (yeah I know i installed an OS without doing a backup) but the MBR is all messed up and I get the Grub recovery screen. I cant use windows boot to straighten ou (Hardware)