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Laptop Fan Not Working Well Neil 04-02-2008
Posted by Neil on April 2, 2008, 1:11 am
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 I have a Dell Inspiron 6400 which is 1.25 years old. When I first got it,
the fan worked great, and you could feel the air being blown out the back.
Now you can't anymore, and the laptop's getting very hot. There was a lot of
dust on the intake vents, and I blew the dust off of those, but it didn't
help. I'm guessing either the fan is burnt out or damaged, or it's caked
with dust.

I guess my only option would be to open the case and blow dust off the fan,
but I was trying to avoid opening up the case. Any other ideas?

Thanks!

Neil



Posted by tpow on April 2, 2008, 1:39 am
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>I have a Dell Inspiron 6400 which is 1.25 years old. When I first got it,
>the fan worked great, and you could feel the air being blown out the back.
>Now you can't anymore, and the laptop's getting very hot. There was a lot
>of dust on the intake vents, and I blew the dust off of those, but it
>didn't help. I'm guessing either the fan is burnt out or damaged, or it's
>caked with dust.
>
> I guess my only option would be to open the case and blow dust off the
> fan, but I was trying to avoid opening up the case. Any other ideas?
>
> Thanks!
>
> Neil
>

What/which warranty did you take up when you bought it. It could still be
covered.

You gotta take off the case to inspect/clean/replace the fan. There are
instructions on the Dell site for case removal. Punch in your TAG and look
through the options.



Posted by M.I.5¾ on April 2, 2008, 2:52 am
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>I have a Dell Inspiron 6400 which is 1.25 years old. When I first got it,
>the fan worked great, and you could feel the air being blown out the back.
>Now you can't anymore, and the laptop's getting very hot. There was a lot
>of dust on the intake vents, and I blew the dust off of those, but it
>didn't help. I'm guessing either the fan is burnt out or damaged, or it's
>caked with dust.
>
> I guess my only option would be to open the case and blow dust off the
> fan, but I was trying to avoid opening up the case. Any other ideas?
>

In general, if the vents get clogged, the processor gets hotter and the fan
spins faster and gets noisier. If the fan isn't doing this then something
is wrong. It may, or may not, be the fan itself.



Posted by John Doue on April 2, 2008, 3:40 am
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M.I.5¾ wrote:
>> I have a Dell Inspiron 6400 which is 1.25 years old. When I first got it,
>> the fan worked great, and you could feel the air being blown out the back.
>> Now you can't anymore, and the laptop's getting very hot. There was a lot
>> of dust on the intake vents, and I blew the dust off of those, but it
>> didn't help. I'm guessing either the fan is burnt out or damaged, or it's
>> caked with dust.
>>
>> I guess my only option would be to open the case and blow dust off the
>> fan, but I was trying to avoid opening up the case. Any other ideas?
>>
>
> In general, if the vents get clogged, the processor gets hotter and the fan
> spins faster and gets noisier. If the fan isn't doing this then something
> is wrong. It may, or may not, be the fan itself.
>
>
And then, I believe most laptops start with the fan running at high
speed until the OS starts loading. If the laptop is not doing this, it
is reasonable to assume there is something definitely wrong. Fan,
disconnected cable or motherboard at worst.

Regards

--
John Doue

Posted by M.I.5¾ on April 2, 2008, 4:32 am
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> M.I.5¾ wrote:
>>> I have a Dell Inspiron 6400 which is 1.25 years old. When I first got
>>> it, the fan worked great, and you could feel the air being blown out the
>>> back. Now you can't anymore, and the laptop's getting very hot. There
>>> was a lot of dust on the intake vents, and I blew the dust off of those,
>>> but it didn't help. I'm guessing either the fan is burnt out or damaged,
>>> or it's caked with dust.
>>>
>>> I guess my only option would be to open the case and blow dust off the
>>> fan, but I was trying to avoid opening up the case. Any other ideas?
>>>
>>
>> In general, if the vents get clogged, the processor gets hotter and the
>> fan spins faster and gets noisier. If the fan isn't doing this then
>> something is wrong. It may, or may not, be the fan itself.
> And then, I believe most laptops start with the fan running at high speed
> until the OS starts loading. If the laptop is not doing this, it is
> reasonable to assume there is something definitely wrong. Fan,
> disconnected cable or motherboard at worst.
>

No, it depends on the design of the laptop. I have two that don't do this.



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