I tried look for drivers for the headset (Its a Z22 turtle beach) and no luck, and its only this PC that it doesn't work on, maybe its to do with the motherboard or chipset.
My PC specs:
CPU: intel I7-4770k OC to 4.2 GHz using ASUS AI suite 3
Heatsink: Corsair H80i, with Corsair LINK software
RAM: 2 x 4 GB and 1 x 8 GB corsair vengeance clocked at 1600 MHz
GPU: ASUS GTX 760 DirectCU II OC 2GB
Storage: 1 Tb western digital black
Case: NZXT H2 silant case
OS: Windows 8 Pro 64bit
By the speed i mean that when going on "CanIRunIt.com" it detects my maximum CPU speed of 0.8 GHz, same thing when running a hardware scan with Norton 360. When using programs like CPU-Z or the AI Suite the speed does change and show variation.
Not sure if real problem just wanted to make sure that my CPU was not being limited in any way, thanks for the help guys and for looking in to it