thegreatgazoo wrote:If you installed Linux mint the traditional way (partitioning the drive and installing into the partition), then deleting the vista partition should not have prevented you from booting to linux mint. This is because the MBR (master boot record) is pointed to the Mint partition.
If you installed mint usint WUBI inside of windows, then deleting windows will prevent you from booting into linux. This is because Linux lives inside a file on the windows partition. so deleting windows in this situation deletes everything.
So, to better assist you we need to know how exactly it was installed, and if possible provide partition info before and after things went wrong.
thegreatgazoo wrote:So, just to be clear
computer had windows only
ubuntu on the usb
installed Mint 13 in its place
ubuntu still on the usb
grub screen with O.S. selection not showing up
mint installed on hard drive works fine
ubuntu on usb cannot boot
My only question is, how did you get ubuntu on to the usb in the first place?
Because It kinda sounds like you used WUBI (ubuntu's windows installer) to dual boot vista and ubuntu on the usb drive.
Does this sound right?
thegreatgazoo wrote:Ahh, there we go.
Ubuntu on the USB using Unetbootin will not show up in grub.
Grub only checks for installed operating systems.So if grub only sees one installed operating system, it skips the selection screen and just boots it directly.
Unetbootin isn't really installing Linux, is just copying the install CD files to the USB and making it bootable.
To boot Ubuntu on the USB, you will have to press whatever key is necessary to bout to a USB drive. (Usually F9 or F2)
There is a way to manually add a grub menu entry to boot to the USB, but I've never tried that.
Here is a page with instructions http://m.wikihow.com/Boot-an-Ubuntu-ISO-from-Your-Hard-Drive
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