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Loud Fan Noise


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#1
cyrawhite

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I have a Compaq Presario CQ61, Windows 7, AMD Sempron M120 2.10GHz, 64 bit OS, Ram 2.0GB, with 1.75GB usable
Lately it's been making this loud noise seems to be from fan. I've blowed the vents out, and I've took the computer apart to clean the fan. Doesn't seem to be dirty, I know it could be the fan, just trying to make sure. My warranty is up also.

Any ideas are greatly appreciated
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#2
rshaffer61

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Which fan since the average system has 3 fans. Intake, CPU and PSU. Knowing which one would help to determine the type and price to replace.
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#3
phillpower2

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The bearings may have gone on the CPU fan, see page 81 of the user manual for how to replace the fan/heat sink assembly
http://h10032.www1.h...l/c01740724.pdf
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#4
cyrawhite

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I'm assuming it's the CPU fan, when I took the laptop apart it was the only fan I seen
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#5
rshaffer61

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That would be correct since it is a laptop
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#6
Bill Tang

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The FAN & heatsink seem to be the limiting factor to a computer's life. If you can dig down into the fan bearing, a drop or 2 of motor oil in there will help quiet it down and extend its life. I do this every year to all of my Point of Sale computers I service. Many of them are 5-7 years old 24hr 7days on the original motherboards.
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#7
Digerati

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The FAN & heatsink seem to be the limiting factor to a computer's life

Ummm, not really. Heatsinks don't go bad. They are just chunks of metal that sit there, and are not subject to any wear and tear, or friction.

All fan bearings WILL eventually wear out, but fans can easily be replaced, so they do not impact the life of the computer - assuming heat is still properly managed. Also, it is actually bad to oil fan bearings. These are "sealed" bearings that use permanent grease for lubrication. Oil, also a petroleum distillate, if it gets past the seals, will break down the grease and it's protective values. So the best thing is to just keep the interior of the case clean of dust, keep an eye on your temps, and listen for an increase in fan noise and vibrations (symptoms of worn bearings).
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