My HP laptop doesnt want to boot. I saved Rescue System on a USB but after the antivirus start in the middle of the scanning the screen become black and then scratches. I only can see from the screen a lot of lines like an error. I think that the virus do that to do not let the anti virus to get rid of it. The same thing happen when the laptop by itself try to run the recovery system. In addition, there is a error of kernel security. Do i have to reset the hard disk and install again my OS (windows 8)?
Your description sounds more like a hardware problem. If I had to guess, the video chip probably overheated, and the motherboard needs to undergo solder reflow. The heat management system is probably damaged, too.
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