Why is my cpu overclock not saving

Senpai2120

Reputable
Jul 25, 2015
24
0
4,510
I have a intel g3258 and my motherboard is a gigabyte h81m-hd2 and i overclocked my cpu in the bios to 4 ghz and I save my settings and load in windows and cpu-z said the g3258 is still in stock speed. Please help me.