The left half of the display on my 1 year old series 7 Ultrabook has developed a ghost image background that makes display unreadable. Looks like screen does not erase completely. Samsung want nearly half the original cost of machine to repair as it is a couple of weeks outside their 1 year warranty. Has any one else seen this? Am assuming it is a screen fault but might it be the display memory. Not best pleased with Samsung as machine cost £1000 a year ago.