Game Lagging

  1. Pull out your motherboard manual and read precisely what order the memory needs to be installed and verify that you are doing it correctly.
  2. Check your virtual memory settings (page file) set it correctly then reboot for it to take effect.
  3. Run memtest to verify memory integrity.
  4. Check out Microsoft’s performance options. https://support.microsoft.com/search/default.aspx?query=How+to+set+performance+options&catalog=LCID%3D1033&mode=r

thnx all for help but I found out the reason. it was because that the heat sink wasn’t tightly with CPU and thermal paste was dried as well. I fixed that and now it is averagely 50 C.

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.