My pc keeps running really slow and crashing on me. I have also had green dots appear on my screen. I also had a virus recently but it seems to have been removed. Everything is new but the hard drive and the power supply. I have 16G of ddr 4 ram, an Asus GTX 1060 6G, and an i7-7700k 4.2 ghz. can anymody tell me whats going on and maby what i need to replace.