laptop very hot and noisy

[Anton Shterenlikht]

On Tue, May 01, 2012 at 08:25:11AM -0400, Alejandro Imass wrote:
> On Tue, May 1, 2012 at 8:06 AM, Anton Shterenlikht <mexas at bristol.ac.uk> wrote:
> > I run 10-current on Compaq 6715s.
> > It's very hot and noisy. If I boot
> > in verbose mode, I get lots of:
> >
> > acpi_tz0: _AC2: temperature 92.0 >= setpoint 50.0
> > acpi_tz0: _AC1: temperature 92.0 >= setpoint 60.0
> > acpi_tz0: _AC3: temperature 92.0 >= setpoint 40.0
> > acpi_tz0: _AC2: temperature 92.0 >= setpoint 50.0
> > acpi_tz0: _AC1: temperature 92.0 >= setpoint 60.0
> >
> > at the console.
> >
> > I guess it's telling me that the CPU is too hot?
> >
> > Is that normal, e.g. under "make -j4 buildworld"?
> >
> 
> Probably not. I had a laptop with similar symptom when I was compiling
> stuff. I took it apart, cleaned it and thought that maybe these log
> messages were normal under stress. The CPU eventually fried and only
> then I took a real close look and the heatsink had a very tiny little
> hole where the fluid escaped, but it was not at all apparent at first
> sight. These liquid (or gel?) filled heatsinks are basically useless
> if the liquid escapes or evaporates so it will usually only show when
> you are using the CPU a lot.

I didn't even know they put fluid heatsinks in laptop.
I thought this was something from IBM cutting edge power6
chips.

So I might need to pull the laptop apart..
I'm just not sure I could put it back
together...

Thanks anyway

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423