Hello,

I have worked in more than one company where a laptop was the computer 
used for all work. They were on all day and held up well. Some people 
even took theirs home at night. They were heavier machines.

Fly......

Graham Butcher wrote:
>
> Hi,
>
> While I agree to a certain extent with what you say, there are also cases,
> mine being typical where the laptop is as new, i.e., 100% spotless inside,
> the fan and all of its cooling ducts, PCB surfaces etc are totally 
> clean and
> free of any dust throughout the laptop. I know this to be true because 
> like
> you, I thought that the laptop would be full of dust inside causing 
> the over
> heating. Being an engineer I opened the case dismantled everything and
> checked for dust etc only to find it was shining like the proverbial
> new pin.
>
> It was a new laptop to me, second hand sold as seen and was not working
> correctly. So when I found out that dust was not the problem I had to go
> looking at other things and found out that the memory had failed. Plugging
> in new memory modules the laptop sprung to life but after about 30 
> Min's of
> use I noticed that the cover over the memory compartment was getting 
> hot. I
> then googled for information and it seems that laptops are prone to memory
> overheating due in part to the fact that unlike desktops or tower units,
> they have have to be very compact and as a result cannot shrug off the 
> heat
> as easily as air gaps either are so small or none existent.
>
> The size of the fans fitted in a laptop are only a fraction of the size of
> those in desktops etc, which usually have at least 2 fans fitted if not
> more, to say nothing of the cooling effect of having a large metal cabinet
> which acts like a radiator to get rid of heat build up. Laptops are 
> made of
> plastic, only have a small single fan and so cannot be as efficent as 
> their
> larger counterparts when it comes to cooling.
>
> Laptops are not meant to used to be used for long periods at a time, they
> are used as portable computers for business people to use when you cannot
> take a desktop etc along to see a client for a presentation, work on the
> train or plane etc. Anyone attempting to use one as their main 
> computer for
> hours on end regularly will soon experience costly repair bills.
>
> In a similar vein, it is like using a city car as a regular long distance
> motorway cruiser rather then a car designed to handle it, the city car 
> like
> its driver will all to soon show signs of fatigue and both will 
> require some
> TLC.
>
> A cooling plinth costing a few pounds seems like a happy compromise 
> and the
> problem must be a widespread one as there are so many types of coolers on
> sale in the shops for laptops. It is not the perfect soloution as the heat
> has to travel through the plastic casing before the cooling plinth can 
> take
> the heat away, but it is better then nothing and seems to work relatively
> well.
>
> Graham
>
> On 01/09/06, [EMAIL PROTECTED] <mailto:emifra%40aol.com> <[EMAIL PROTECTED] 
> <mailto:emifra%40aol.com>> wrote:
> >
> >
> > In a message dated 8/31/2006 2:43:36 P.M. Eastern Daylight Time,
> >
> > [EMAIL PROTECTED] <mailto:rixeyh%40yahoo.com> <rixeyh%40yahoo.com> 
> writes:
> >
> > Get a colling plinth and you can save all the other expensive bills 
> and it
> > > will cure your problem, it has mine.
> >
> > HI:
> > I am of the opinion that a Laptop is designed by the OEM to work
> > satisfactorily as designed by the OEM and if it should require 
> aftermarket
> > hardware to make it work properly then it has a design flaw. If a laptop
> > has a design flaw then it is up to the OEM to fix the flaw or 
> replace the
> > machine.
> >
> > Having said that, I am also of the opinion that a laptop will need a
> > professional cleaning at least once every year and if that is done there
> > should not be any hardware failures. A cleaning should be done after
> > the first shutdown occurs. An overheating laptop can be recognized by
> > it's physical temperature before it becomes a problem. An add in
> > cooling hardware is not a solution for a Laptop full of dust. I a fan is
> > overworking there is a heat problem. The advise about using a hard
> > flat surface is sound.
> >
> > Cd burners will also have almost on schedule failures or erratic 
> behavior
> > if they are not cleaned once a year. When you open a laptop it is
> > surprising that they can work at all when you see the dust. Hope this
> > helps.
> >
> >
> > Emile
> >
> >
> >
> > Emile
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>  




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