When you first boot the live USB you should probably choose "Ubuntu (safe graphics)" instead of "Try or Install Ubuntu". Despite sounding different they are the same thing with the only difference being that troublesome graphics drivers are disabled in safe graphics mode.
When you first boot the live USB you should probably choose "Ubuntu (safe graphics)" instead of "Try or Install Ubuntu". Despite sounding different they are the same thing with the only difference being that troublesome graphics drivers are disabled in safe graphics mode.