I have had this Acer Aspire M5 for a little over a year. Today after not signing on for three days i log on to my laptop. Never have had this problem before but, i have spontaneous black lines appearing on my screen in random places. This will go on for about 15-20 minutes and then my laptop screen will go fuzzy. And i can't do anything execept restart and wait for it to happen again. I restarted my latop didn't help. I saw a driver Intel(R) Display Audio was not working I got an error 10 code when looking at it. I disabled the driver it did not help. I uninstalled the driver it did not help. I put in safe mode did not help. I hit shift + f8 at start up screen and that did help for a a few hours. Then the problem began again. Then I reset to previous date where the problem did not occur and that helped for a few hours as well. I did diagnostic scans and it did not find hardwares issues.