Is it possible to change from dual core to core 2 duo ?

my question is if it is possible to change the processor from dual core to core 2 duo i know how to change it i just need to know if its the same socket i have a sony vaio vgn-nr140e its a laptop and yes i know how to change the processor from a laptop i just need to know if its possible to upgrade thank youIs it possible to change from dual core to core 2 duo ?THe answer depends on your board generally no is the answer thoughIs it possible to change from dual core to core 2 duo ?depends on the motherboard