In addition to agreeing with the other good suggestions from the
others, I wonder if you need to reapply new thermal compound. I've
just ordered MX-2 thermal compound to reapply to my CPU upgrade
because of concerns. Re seating the CPU can break a good contact
between the CPU and the heatsink.
There's plenty of tips on Apple discussions and youtube for doing
this: 3-5 mm dot of thermal grease for each contact.
http://discussions.apple.com/thread.jspa?messageID=9274591&#9274591
-Mike

On Nov 7, 3:30 pm, Len Gerstel <[email protected]> wrote:
> On Nov 7, 2009, at 2:30 PM, Bruce Johnson wrote:
>
>
>
> > On Nov 7, 2009, at 11:35 AM, Miguel Garcia Gell wrote:
>
> >> ...my Dual 1.2 CPU after upgrade from Tiger to Leopard is not *Dual*
> >> any
> >> more...the System Profile description show
> >> Processor Speed 1.2
> >> Number of CPU 1
>
> > What does Activity Monitor show?  It should show two cpu graphs for a
> > dual CPU. The listing in System Profiler isn't directly linked to
> > actual hardware, but information files.
>
> Check activity monitor to make sure, but in both of my DAs, the
> processor is reported accurately in system profiler. 867MHz QS
> processor in one (running 10.4) and a dual 1.2 from OWC (10.5) at
> home both are reported.
>
> Does the Giga card need any drivers? Does your Mac have the latest
> firmware? Did you play around inside your Mac just before the
> upgrade? It sounds to coincidental to have 1 processor fail just when
> you install an OS.
>
> Len
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