Re: Replacing laptop cpu

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On 24/05/15 03:03, jd1008 wrote:
> I have an HP laptop with
> AMD Turion II X2 mobile processor RM-72 / 2.1 GHz CPU, Socket S1.
> It is now causing blue screens in windows and freezes
> linux (pclinuxos, knoppix, fedora live).
Having recently replaced my notebook, I leave a short tale:
Machine would instantly power off during heavy tasks (one development
language) under windows, and trying any yum based activity in Fedora 20.
In Fedora, even setting nice at max niceness rarely got me through a yum
update (with the trashed rpm db that the (emergency) power off caused).

I opened all parts of the notebook, and used a compressed air spray to
remove any dust I could. This made no significant difference. I just
avoided those tasks (eg hit ctrl-z as the fan spun up, waited ten
seconds and let it go fg).

A few months later, I got access to an air compressor with nozzle. While
there are risks in doing this (damage components either physically or
via static/moisture), cleaning it in all directions worked well (jam any
fans with a cable tie to stop the air over-speeding the fan), and I was
able to use the laptop normally for the next few months. (I blame the
dog's fur ;-)

Other recommendations I saw included removing the cpu to replace the
heat transfer paste/material with fresh new material, could be worth a
shot...

> *Thermal Design Power*     *35 Watt*
How does this compare to the existing CPU's dissipation ?

Another thing you can do with multi-core cpu (at least intel) is to
instruct the kernel to disable cores. However, I think this could only
help you if it is the second core that is a problem, because I think the
first core always runs the "boot process", ie it needs to stay on.

Dave.
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