tab in and out

I was playing a game when i pressed a combination of buttons then an error noise sounds, suddenly my keyboard keeps cutting out and my mouse pointer gets stuck and it's movement gets inverted. I tested this with notepad and i noticed that it selects and deselects tab in a pattern. When the tab...

Hey so I'm building my very firs pc here's the link https://pcpartpicker.com/list/9pK3kT

Hello, I plan on upgrading sometime in the near future. I plan on getting this https://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.3459468 This is what I currently have Specs: Antec Three Hundred Illusion Black Steel ATX Mid Tower Computer Case Intel Core i5-3570K Ivy Bridge...