[ubuntu] Ubuntu Secure LiveUSB Stuck at splash screen

I have no idea what to do here

I made a liveusb with ubuntu -secure

when i reboot it start the usb ...i get the menu to try with out installing

install ubuntu

or check deck it is grub 2.0 i believe

when i try with out installing ...or try toinstall

i get a splash screen ....and the computer just sits there

doing NOTHING

how do i install

i am using a HP pavillion p7 -1430 my graphic adapter is an AMD radeon HD 7660D

it came with windows 8 installed

how do i install ubuntu for a dual boot

PLEASE HELP

if there is another thread already solving this issue please forgive me

but PLEASE point me to it