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- Dual core tester
April 23, 2007, 4:37 pm
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in a machine? I have upgraded from single core Athlon to Core 2 Duo. I have
kept the same Windows XP installation and replaced a few drivers and all
'seems' to be working OK, except I suspect only 1 core is being used:
Whilst the Device Manager shows both cores in the Processors section, the
task manager shows only 1 core. CPU-z reports the correct processor on the
CPU tab, but the dropdown at the bottom is greyed out (as if there is only 1
core available). This seems to confirm what task manager reports. Perhaps
this is a simple XP problem, but I don't know if some system command is
reporting the wrong core information to these pieces of software, or if
windows really is only using 1 core!
Many moons ago I used to run a PII with 2 processors on the board and I
recall the ACPI driver being different from normal (its name had something
about multi-core), so do I perhaps need to change this? How? I have tried
updating the driver for that and nothing changes.
Incidentally, the windows upgrade couldn't have gone better - switched on
with the new hardware and gave it the motherboard CD when it spotted some
new devices and that was it!
Re: Dual core tester
I did a repair install last night, but it has completely broken the XP
installation! It took about 10 minutes to boot into safe mode and a normal
boot wouldn't work at all - as soon as the windows logo appears during boot,
the first disk access caused the boot to freeze. I have done a Format c: and
re-installed everything, but why do you think a the repair would break an
otherwise OK installation?
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