Ubuntu only Boots after Booting Windows and Restarting

Solution 1:

your graphics card might be causing this.

try to enter into ubuntu with "nomodeset"

  1. when you see the grub, highlight to "Ubuntu" and press e to edit the kernal parameters.
  2. go to the line starting with "linux" and find the string ro quiet splash
  3. add the text nomodeset in between "ro quiet splash". now it should look like this ro nomodeset quiet splash
  4. press Ctrl+x or F10 to boot.
  5. Once you enter into Ubuntu.. try to install the rite drivers for your graphics card.

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