Noisy video card fan

Do you have a question? Post it now! No Registration Necessary.  Now with pictures!

Threaded View

Hi Folks,

I bought an Antec quiet case and a quiet power supply,
Athlon64 3200 and MSI K8N Neo MB. The system is really
quiet except for my video card - Asus GeForce4 Ti 4200-8x.
The fan on the video card is really loud. I can control
the CPU and case fan speeds, but I don't see any way to
control the fan on the video card. I guess it is not
a good idea to disconnect that fan. Any ideas? Thanks,


Re: Noisy video card fan writes:

Quoted text here. Click to load it

I have an Asus Extreme N6600GT and it also has a noisy fan.  Oddly
enough, it makes more noise when the fan is running slowly than when
it is running fast.  I'm not sure if this is exceptional or not, since
I don't have any other similar models nearby to compare it with.  The
temperature is okay, though, being around 51 C most of the time and
rising to perhaps 68-72 C when I play _The Sims 2_ (the shutdown
temperature limit is 127 C).

Transpose mxsmanic and gmail to reach me by e-mail.

Re: Noisy video card fan

On 14 Oct 2005 06:15:18 -0700, wrote:

Quoted text here. Click to load it

Does the card (especially the heatsink and fan) look like
this:  ? /

Quoted text here. Click to load it

Was it always this loud or has it gotten louder?

Some cards (I don't recall on yours nor on TI4200 in
general) have a integral fan speed thermal control, BUT all
it really does is change the fan RPM from pretty-loud, to
even louder.  Point being, you might not get it quiet enough
for your personal tastes but increasing the airflow past the
card may help some.  One way to do that is to leave the
adjacent PCI slot empty, and that slot's case bracket cover
all so the system's intake or exhaust fans passively move
some air past the card/sink.

Quoted text here. Click to load it

Do not disconnect it, it is needed.

If the fan has gotten louder (or for that matter, even if it
hasn't, since at this point the card and fan are aging),
disassemble the fan, taking it out of the 'sink, then peel
back the label carefully (not touching the sticky-side so it
will re-adhere to the fan again as much as possible) and put
a drop of heavyweight (almost grease-like consistency) oil
in the bearing.

If that doesn't help enough, your remaining options are to
replace the fan alone (hard to find suitable replacement on
special OEM proprietary 'sinks), the entire heatsink, or
your preferred method of fan speed control to reduce the fan
RPM.  Odds are good you would be able to reduce the fan
speed some with no ill-effects, providing the card isn't
sandwiched in next to another card in adjacet slot and has
the case bracket cover off that next slot.

Controlling fan speed depends on your ability to do some
basic electrical work, soldering and heatshrinking an
alternate lead to the fan, or placing the control mechanism
inline on the fan lead if it will be entirely contained on
the card itself.  If I were _guessing_, the fan might
respond well to a roughly 47 Ohm, 1 W resistor placed in
series on the + power lead.  This and any other method
depend on your willingness to splice, solder, etc.

Aftermarket 'sinks can work too, though at this point in the
card's life, due to it's age, it seems a bit of an overkill
to buy a relatively expensive passive heatsink like a Zalman
something-or-other, and if you just get a lesser quality
fanned sink then within a year or two the odds are fair that
again the fan will be failing.  One alternative is to put an
old pentium 1 heatsink on it, one that uses a standard 40 x
10 or 50 x 10mm fan (but ideally, at least a 15mm thick fan
for best fan life though that begins to take up a lot of
space onto the point of blocking 2 PCI slots instead of only
one).  With a standard fan on the sink, if fan fails later
then it's rather trivial to buy another standard fan for it.
40 or 50 x 10mm fans are quite common.  However you may face
similar issue that the fan needs it's RPM reduced for lowest
noise, so if it were me, I'd first try reducing the RPM of
the current fan after lubing it.

Re: Noisy video card fan wrote:
Quoted text here. Click to load it

I was about to write a new post about a noisy video card and then I saw your
comments. I'm really noise sensitive.

I also have an Antec case. I replaced the PSU with an Antec fanless unit.  I
unplugged the CPU fans which raised the CPU temperature from 39C to 42F (big
CPU copper heat sink). I also bought a 120 mm Antec case variable speed fan
which is not annoying.

The Matrox Millenium P750 video fan, on the other hand, really grates on my
nerves.  If I didn't have 2 digital LCD monitors, I would just go with a heat
sinked analog video card.

I wonder if it's possible to change the fan to a big heat sink?  It worked
with the CPU.

Re: Noisy video card fan

Bob wrote:
Quoted text here. Click to load it

Ignore my previous post. I solved the noisy video card fan problem.

Site Timeline