Re: 1 CPU detected in dual core system. -Solution
I just noticed that my dual-cpu dual-core (Xeon 5130 with 4-cores) shows
lower cpu index just recently, and task manager only shows 2 panes (I'm sure
at one time it showed 4).
"jaerha" <email@example.com> wrote in message
> After reinstall of VISTA Ultimate the experience index has dropped from
> 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
> The processor is reported correctly as Intel core 2 CPU 6600 at 2.40 GHz
> Control Panel\System and Maintenance\System. The mother board is a Asus
> Solution in this case:
> There seems to be a number of causes that prevent VISTA seeing both cores.
> don't understand the reason that the following works so an explanation
> someone would be helpfull.
> Start>Start Search>msconfig
> Boot Tab
> Advanced Button
> The startup number of processors was set to 1 and could not be changed
> Unchecked the number of processors checkbox
> Check Detect HAL box
> Click Apply and Reboot
> After reboot the number of detected cores were 2
> (Checked with Intel Utility that it detected 2 also task manager now
> 2 and windows experiance index increased from 4.4 to 5.3)
> Unchecked detect HAL and selected 2 as number of processors.
> Checked make all boot settings permanent under Boot tab.
> Now BIOS also reports 2 cores instead of previous 1.