System info is wrong

[simjracer]

hi guys i just done some upgrades to my computer and check my system info and it all wrong

i upgrade my CPU from a fx 4170 to a fx 6300 but the system info is still saying 4 core cpu

http://i1227.photobucket.com/albums/ee437/racer118/wrong_zps57bb067b.jpg

please could some one help me
thanks simon

 

[gussrtk]

which OS are you using

 

[simjracer]

windows 7 home premiun 64bit

 

[darkmendez]

did u mess with your Bios by any chance?

 

[darkmendez]

if u want to get your extra 2 cores.... u got to go into your bios to active them

 

[simjracer]

ok and how and now cpu-z is all wrong with my cpu too

that too saying 4 cores and all the caches are wrong
what is going on i just done a bios update too