Vista recognizes only one core after tinkering with ACPI driver (Standby didn't work...however...). In Device Manager under Computer it says ACPI-PC, not ACPI Multiprocessor-PC or ACPI x86-based PC... With this ACPI driver Windows is not able to handle multiple cores. When trying to update the driver it doesn't show up the other drivers....however it shows up right in bios setup and it is up to date .
Vista problem core 2 duo
- Thread starter ali4092
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