I have upgraded my CPU from a intel celeron E1400 to a intel core duo E8500, My pc is now only recognizing 2GB of the 4GB installed the memory is 2x2GB crucial PC2 -6400 CL6. Please could you advise .
Product Name: GA-P31-ES3G (1.x)
BIOS Ver: F2
Serial No: SNO84290004202
Brand: GIGABYTE
Model: intel core duo E8500
Operation System: Win 7 64-bit
SP: 1
Memory Size: 2X 2GB
Power Supply: 400
Memory Part No.: CT25664AA800