So my hard drive is on it's last leg. It's so bad it will not run Windows 8 because it has so many bad sectors. I got Ubuntu to run on it - barely. Enough to browse the web. I will be able to replace it on Friday. Question is about my screen. Almost everyday when I bring the system out of sleep mode to watch a bit of YouTube I see 8 to 15 lnes appear the screen near the top. Now the screen works fine after the OS loads up and runs. I was curious if I should buy the SSD I wanted to buy for it or ...