Hey im a first time PC builder and im sure today when i completed my first build everything was running good. My GTX 1060 strix was lit up my fans were all going i had good temps even using the stock Intel cooler and everything was good. i installed windows 10 64bit but everything looks too big but thats not the issue for now.BUT i tried opening Half life 2 and it was playing around 10fps low settings i was supprised so i opened a new game and everything waqs just awful i was hitting 1 fps ever 5 seconds and i started to get worried. ive been trying to fix this all day but i have no clue and my computer store wants 40 bucks. please someone help me. my Pc is running worse than a PC from 2001. and i dont want to get any other games until this is fixed HELP.