My machine fan makes loud sound after upgrading RAM

Hello guys,

I have Windows 7 Enterprise 64bit and I used to have 2Gb RAM and I just upgraded it to 10GB total and now my machine makes more sound than a giant server and fan seems like its ready to fly.

I am not sure why is that?
TheCommunicatorAsked:
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PowerEdgeTechConnect With a Mentor IT ConsultantCommented:
A couple of options:

It is normal for your system to "speed" up the fans based on the hardware configuration (expansion cards, memory, etc.).
It is possible something came loose (fan) while putting the memory in.
Is the lid/cover back on securely?  Some systems will speed up fans when air pressure/flow changes (cover removed).

Occasionally, BIOS updates will help the fans to run more efficiently under various circumstances ... I would look into that as a fix.

What system make/model is this?
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BillBondoCommented:
variable speed fans maybe extra heat from extra memory
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TomasPConnect With a Mentor Commented:
The extra memory is generating a great deal more heat than before the upgrade. For one of my machines I just took the cover off so that my fan wouldn't fly away :-)
You could upgrade the cooling system for your PC. CPU sink new fan or cooling. Some gaming systems are even water cooled but that is overkill
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jaustin1Connect With a Mentor Commented:
You probably know the difference between pure fan noise and this, but is it possible that while you had your system disassembled that perhaps a loose wire found its way into your fan, causing noise?
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TheCommunicatorAuthor Commented:
@jaustin: i really dont see a disturbed noise that would indicate that there is something in way of the fan but what I see here is basically Hyper fan activity.

But to the core what I am wondering is "is it normal for a fan to move this fast when memory is upgraded?"

On a side note: I have (2 X 4GB) + (4 X 500MB ) memory. i am not sure if  that juxtapose of configuration has any effect on this
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jaustin1Connect With a Mentor Commented:
I'm sure the additional RAM does give off some extra heat, but I wouldn't have expected THAT much difference.  While it's possible that the fan is just having to run that much harder due to heat, maybe it's worth checking the fan health/settings in your BIOS (if your BIOS has a screen for that).  

I suppose you could also open your case and point a small desk fan into it to see if that causes your internal fan to slow down...
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PowerEdgeTechConnect With a Mentor IT ConsultantCommented:
It is not likely the configuration, but the amount of RAM.  It is completely normal to see higher fan speeds when memory is upgraded.  Check for a BIOS update - this may slow things down a little if your PC manufacturer deemed the old speeds too high and inefficient, and make sure nothing is amiss from the memory installation (see my first post).

What make/model are you working with?
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TheCommunicatorAuthor Commented:
Hello all,

I restartd the machine and it told me that memory has been upgraded and if I want to go to set up? I pressed F2, i was in BIOS( I did nothing there). I exited and then everything has settled down. I am not sure what is it supposed to mean. But my problme is solved.

Any idea on what could had happened when i went into BIOS?
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TomasPConnect With a Mentor Commented:
It could be that when you went into the bios, the new memory configuration was read and the speed of the fan adjusted properly by the code specific to the PC rather than a guess by the OS setup.
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PowerEdgeTechConnect With a Mentor IT ConsultantCommented:
Hard to say since you never told us the make/model of your PC, but it maybe needed BIOS' acknowledgement/management of the additional RAM to properly adjust the fan speed.
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TheCommunicatorAuthor Commented:
Ok Guys looks like everything is fine. Thank you so much for your help :)
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jaustin1Commented:
Excellent!
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