Re: Vostro - Noisy Fan at boot

Forget any response direct from Foxconn. Their OEM contract with Dell
obligates Dell to provide 100% or more of the support for motherboards they
make. This is typical in the industry for any OEM relationship, and has been
the case for as long as I have been in the biz, a long long time. In return
for a high volume and lower than normal wholesale price, the buyer agrees to
provide ALL the support for any products they buy... Ben Myers

On Sat, 1 Sep 2007 19:48:58 +0100, "Andy" <andy@xxxxxxxxx> wrote:


"Timothy Drouillard" <timothydrouillard@xxxxxxxxxxx> wrote in message
news:esmdnZxQ9J5MFkTbnZ2dnUVZ_hadnZ2d@xxxxxxxxxxxxxxx
Andy, in addition to looking for suggestions in this newsgroup, head on
over
to Dells web site and checkout their own forums.

I'd probably go into their Tech Talk area and enter a message in the
Desktop
section.

The Dell forums are a great place to get help from other Dell users.

As far as your issue with the fans starting at high speed then slowing
down,
I don't have a good answer either as to why.

It could be for most any reason, including any or all the reasons that
have
already been pointed out.

I'd venture a guess that to most people, it's not a big deal because it
only
lasts for a few seconds, then it quiets right down.

That's not to say that for some, it's still annoying.

Yes there are programs out there that might allow you to monitor the fan
speed, etc, but I don't know of any that would allow you alter the fan
start-up speed.

Is it possible that a future BIOS upgrade would change the fan startup
behavior?, perhaps but something tells me not to hold my breath.

I'd bet that the manufacturer has some reason for the fans startup
behavior
even though we may not understand it, agree with the reasoning, or like
it.

Don't look to Dell to change the BIOS, the BIOS is designed by the
motherboard manufacturer.

It would also probably take the manufacturer getting A LOT of complaints
from the users of the fans spin-up behavior, before they would bother
addressing the issue, and even then it would be a matter of debating the
tradeoffs. Reducing momentary start-up noise, vs., (insert manufacturers
reason here).

Can you address the issue with some sort of mod to the fan wiring or
replacing the fans altogether with another type of fan? probably, but only
you can decide whether it's worth it.

Once possibility is to replace the stock fan with an aftermarket fan of
the
same size (so it fits the existing mounting holes) that just plugs into
the
power supply connectors and is not controlled at all, but then you'd have
to
put up with a constant fan speed that may or may not be quieter than what
you have now. You'd also lose the fan speed monitoring function of the
bios,
thus if the fan ever failed, the BIOS would not be able to alert you,
etc.....

You 'might' be able to find another speed-controlled fan of a different
diameter that may not sound as loud as the stock fan, but there again you
would be changing the air flow for better or for worse.

For most of us, it's not worth it, But it may be to you. Only you can
decide
whether replacing or altering the fans to eliminate the brief startup
noise
is worth whatever risks you take by doing so.




Thanks Timothy you have been most helpful in your comments and ideas and yes
I have used the Dell forums. I suppose they (dell) are not going to change
it in the next BIOS if a lot of people dont mention it so i suppose you are
right when you tell me not to hold my breath. The Mainboard is made by
Foxconn so maybe even an email to their tech department might help.

I might experiment and change the fan(s) as well. Already today I have
disconnected one of the fans the case fan today and have just got the
processor running and no overheating / lock ups / warning messages to report
so thats one less fan noise.

Andy.


.

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