Dual Xeon proc with HT enabled but only 1 processor works??!

This is a discussion about Dual Xeon proc with HT enabled but only 1 processor works??! in the Windows Hardware category; hi all, i have a dual xeon processors 2. 4G and Hyperthreading enabled, every thing was working fine , 4 graphs in the task manager,i installed S pack 2 and now i find my pc so SLOW and when i check the task manager i find only 1 graph, i checked the device manager and under computers it is: ACPI Multiprocessor PC, ...

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hi all, i have a dual xeon processors 2.4G and Hyperthreading
enabled, every thing was working fine , 4 graphs in the task manager,i installed S pack 2 and now i find my pc so SLOW and
when i check the task manager i find only 1 graph,
i checked the device manager and under computers it is:
ACPI Multiprocessor PC, i checked the bios and find HT enabled,
i checked number of processors (Device manager> processors) and
find it 4!! so what's going on, i have to say that for hardware
and setup i am a beginner so please help me and make it in details, thanks in Advance.

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Nov 19
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Nov 19
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