I am trying to create a dual boot system with Ubuntu 12.04 and windows 7.
After creating a fresh install on W7 I created a 10GB free space to work with Ubuntu. I used Ubuntu to split off a a 1GB swap partition then created a 9GB ext4 patition and installed Ubuntu on it. On restart I had an option to open up Ubuntu or W7 or memtest or Ubuntu trouble shoot OSs.
On startu of Ubuntu I could not get it to run. I got one purple Ubuntu screen for a minute or so then a error noise followed by a black screen. I opened up a Ubuntu trouble shooting OS but did not know my way around it so closed it and booted from a thumb drive into a live Ubuntu. In there I have tried to reinstall and have had no luck.
Now i cant even get into Windows. When i try to start the computer, I get an
Error: unknown filesystem
What should I try?