problems

Bought my graphics card last week and bought my first game for PC . Came to play it and there are horizontal waves running down the screen. I've tried looking into things like screen tearing , but quite frankly i haven't idea what to do. my system is : i5 6600 Sapphire nitro rx 580 LE latest...

Hello, I am having some trouble trying to make my spreadsheet formulas work in an excel spreadsheet on dispatch times. The idea was; i would have two sheets (Times (sheet1) & Data (sheet2)) Sheet 2 Data; would have lots of various destinations: Column A - Location 1 Column B - Location 2...