My display on my Hewlett-Packard notebook developed a serious flicker and some nice color bars, along with a spreading discoloration. It looks like it got hit, except that all I remember doing is turning it slightly on the Amtrak train seat tray to use it. After digging out the support telephone number for HP support, I recited the product serial number, my home address, family history and elementary school grade average to verify my identify to be told it was a motherboard problem and the warranty expired six days ago. Read more...