Dual Core Intel CPU reporting as Single in Vista

After reinstall of VISTA Ultimate the experience index has dropped from 5.3
to 4.4 with the CPU giving a lower score than previously. The task manager
only shows one pane for CPU performance in place of the 2 shown previously.
The processor is reported correctly as Intel core 2 CPU 6600 at 2.40 GHz in
Control Panel\System and Maintenance\System. The mother board is a Asus P5K
Is there anyone that can shed some light on this problem?
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with thanks

Have you done a repair from the Vista Distribution Disk? Boot from the
DVD and then select repair.


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majmac

AMD64x2 4600+