[ubuntu] After upgrade to 12.10, I only boot to a GRUB prompt ("GRUB4DOS")

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http://ubuntuforums.org – Hi, all- I have a Win 7 / Ubuntu dual-boot setup on my laptop, so to simplify things (so I thought!), instead of doing a fresh install of Ubuntu as I prefer to do, I decided to try the upgrade route this time. But let me back up a bit... when creating the dual-boot setup initially, I followed the tutorial at this link: http://www.linuxbsdos.com/2012/05/17...d-windows-7/2/ To summarize the interesting setup succinctly, I used the Windows program recommended in the link (EasyBCD) to add an entry for Ubuntu in Windows 7's bootloader. So when I boot the laptop, I see the Windows bootloader s (Hardware)