Upgraded from 16.10 to 17.04, now blank screen only, no graphics
Been running Ubuntu for years, just upgraded to 17.04 from 16.10. Live USB wouldn't boot to graphics, nor would ISO. Used Software and Updates - New Version, it went through updates, on reboot, after Grub 17.04 selection, blank screen. HP Pavilion P7-1235 Radon Graphics, AMD Quad. No working system now.
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