Problem with Fan on DELL latitude - plz help!

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Archived from groups: alt.sys.pc-clone.dell (More info?)

I have an annoying problem with my dual Fan C810 laptop.

After some hours usage (usually) the fans when turned on
(automatically) make a grating noise - very loud and can be heard in
the next room.

I suspect it has something to do with heat expanding the plastic? As
after cooling the fans seem to revert to normal behavior.

The behavior affects both fans - sometimes simultaneously sometimes in
isolation (I used a fan control program to test this)

I have managed to make the problem acceptable by running the CPU
permanently at 733MHZ (speedstepped from 1.13GHZ) - no great problem
for me as I only surf the web and use Office programs - but the
problem doesn't go away as the fans invariably need to be used and
switch on automatically and voila.... after a while the grating noise
reappears.

The Fan control program I use "Fan Control 2.2.0" by Christian Diefer
allows me to turn off the fans permanently. Now.. at 1.13GHZ I guess
this would make for a fried motherboard - but speedstepped permanently
to 733MHZ (via the authors Speedswitch XP) could I get away with this?
The temperature at the lower speed rarely reaches 60C and averages
around 52-55C... cooling required?

Thanks for any help

Chris

I can be e-mailed at: athena (at) rol (dot) ru
 
Archived from groups: alt.sys.pc-clone.dell (More info?)

replace the fan and run the system as it was designed. there are several of
those fans listed on ebay starting at $10 (perhaps the same price as dell?)
and the service manual is available for free here
http://docs.us.dell.com/docs/systems/latc810/sm_en/index.htm


"rfc" <rfc2000@usa.net> wrote in message
news:rlhc90lq8su6kg6njj20i36dambie6o2g0@4ax.com...
>
> I have an annoying problem with my dual Fan C810 laptop.
>
> After some hours usage (usually) the fans when turned on
> (automatically) make a grating noise - very loud and can be heard in
> the next room.
>
> I suspect it has something to do with heat expanding the plastic? As
> after cooling the fans seem to revert to normal behavior.
>
> The behavior affects both fans - sometimes simultaneously sometimes in
> isolation (I used a fan control program to test this)
>
> I have managed to make the problem acceptable by running the CPU
> permanently at 733MHZ (speedstepped from 1.13GHZ) - no great problem
> for me as I only surf the web and use Office programs - but the
> problem doesn't go away as the fans invariably need to be used and
> switch on automatically and voila.... after a while the grating noise
> reappears.
>
> The Fan control program I use "Fan Control 2.2.0" by Christian Diefer
> allows me to turn off the fans permanently. Now.. at 1.13GHZ I guess
> this would make for a fried motherboard - but speedstepped permanently
> to 733MHZ (via the authors Speedswitch XP) could I get away with this?
> The temperature at the lower speed rarely reaches 60C and averages
> around 52-55C... cooling required?
>
> Thanks for any help
>
> Chris
>
> I can be e-mailed at: athena (at) rol (dot) ru
>
 
Archived from groups: alt.sys.pc-clone.dell (More info?)

On Mon, 03 May 2004 14:05:23 GMT, "Christopher Muto"
<muto@worldnet.att.net> wrote:

>replace the fan and run the system as it was designed. there are several of
>those fans listed on ebay starting at $10 (perhaps the same price as dell?)
>and the service manual is available for free here
>http://docs.us.dell.com/docs/systems/latc810/sm_en/index.htm
>
>

Thanks for the advice - however having an earlier C800 the same
problem occurred leading me to believe it is integral in the design
and a new fan would perform similarly under heat stress

What I need to know is as before, does the CPU need cooling below 60C?

thanks

>"rfc" <rfc2000@usa.net> wrote in message
>news:rlhc90lq8su6kg6njj20i36dambie6o2g0@4ax.com...
>>
>> I have an annoying problem with my dual Fan C810 laptop.
>>
>> After some hours usage (usually) the fans when turned on
>> (automatically) make a grating noise - very loud and can be heard in
>> the next room.
>>
>> I suspect it has something to do with heat expanding the plastic? As
>> after cooling the fans seem to revert to normal behavior.
>>
>> The behavior affects both fans - sometimes simultaneously sometimes in
>> isolation (I used a fan control program to test this)
>>
>> I have managed to make the problem acceptable by running the CPU
>> permanently at 733MHZ (speedstepped from 1.13GHZ) - no great problem
>> for me as I only surf the web and use Office programs - but the
>> problem doesn't go away as the fans invariably need to be used and
>> switch on automatically and voila.... after a while the grating noise
>> reappears.
>>
>> The Fan control program I use "Fan Control 2.2.0" by Christian Diefer
>> allows me to turn off the fans permanently. Now.. at 1.13GHZ I guess
>> this would make for a fried motherboard - but speedstepped permanently
>> to 733MHZ (via the authors Speedswitch XP) could I get away with this?
>> The temperature at the lower speed rarely reaches 60C and averages
>> around 52-55C... cooling required?
>>
>> Thanks for any help
>>
>> Chris
>>
>> I can be e-mailed at: athena (at) rol (dot) ru
>>
>
 
Archived from groups: alt.sys.pc-clone.dell (More info?)

i like to solve the cause of a problem and not a symptom... but this should
help you decide whatever it is that you want to do...
http://www.intel.com/support/processors/mobile/pentiumiii/sb/cs-007510.htm

"rfc" <rfc2000@usa.net> wrote in message
news:j8lc905a6d41k0ahed13i8vckt18ro56gh@4ax.com...
> On Mon, 03 May 2004 14:05:23 GMT, "Christopher Muto"
> <muto@worldnet.att.net> wrote:
>
> >replace the fan and run the system as it was designed. there are several
of
> >those fans listed on ebay starting at $10 (perhaps the same price as
dell?)
> >and the service manual is available for free here
> >http://docs.us.dell.com/docs/systems/latc810/sm_en/index.htm
> >
> >
>
> Thanks for the advice - however having an earlier C800 the same
> problem occurred leading me to believe it is integral in the design
> and a new fan would perform similarly under heat stress
>
> What I need to know is as before, does the CPU need cooling below 60C?
>
> thanks
>
> >"rfc" <rfc2000@usa.net> wrote in message
> >news:rlhc90lq8su6kg6njj20i36dambie6o2g0@4ax.com...
> >>
> >> I have an annoying problem with my dual Fan C810 laptop.
> >>
> >> After some hours usage (usually) the fans when turned on
> >> (automatically) make a grating noise - very loud and can be heard in
> >> the next room.
> >>
> >> I suspect it has something to do with heat expanding the plastic? As
> >> after cooling the fans seem to revert to normal behavior.
> >>
> >> The behavior affects both fans - sometimes simultaneously sometimes in
> >> isolation (I used a fan control program to test this)
> >>
> >> I have managed to make the problem acceptable by running the CPU
> >> permanently at 733MHZ (speedstepped from 1.13GHZ) - no great problem
> >> for me as I only surf the web and use Office programs - but the
> >> problem doesn't go away as the fans invariably need to be used and
> >> switch on automatically and voila.... after a while the grating noise
> >> reappears.
> >>
> >> The Fan control program I use "Fan Control 2.2.0" by Christian Diefer
> >> allows me to turn off the fans permanently. Now.. at 1.13GHZ I guess
> >> this would make for a fried motherboard - but speedstepped permanently
> >> to 733MHZ (via the authors Speedswitch XP) could I get away with this?
> >> The temperature at the lower speed rarely reaches 60C and averages
> >> around 52-55C... cooling required?
> >>
> >> Thanks for any help
> >>
> >> Chris
> >>
> >> I can be e-mailed at: athena (at) rol (dot) ru
> >>
> >
>
 
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