need help

[larry20082]

first time builder using p5b delux and e6400 problem is device manger reports 2 cores but task manager only shows one,cpu-z shows only one ,TAT shows frequency for 2 but only temp for 1 ,AIsuite shows only 1 core ,posted this on other forums no one has a clue called asus tech support they don,t seem to know either only sugestion was re-install windows any help anyone ?

 

[Marvelous]

try turning off the computer and cold boot again...

I had this happen once on my computer but it went away after cold boot...

 

[larry20082]

no bulit it a week ago have rebooted many times