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Noisy Latitude E5420 fan

post #1 of 4
9/25/11 at 8:27am
Thread Starter 

Has anybody figured out how to quiet that incessant fan noise in the Latitude e5420?  There are 2 fan sounds: one is when the fan actually comes on, which is intermittant, and then there is the other non-stop sound of air passing thru the air intake, which happens to be on the front of the underside. It sounds like a miniature jet engine sitting beside me, and no adjustment of the power settings or reflashing the Bios has helped.  Otherwise, I love this computer.

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post #2 of 4
9/25/11 at 12:40pm
Try NHC (notebook hardware control) and see if you can throttle the CPU a bit?

cheers ...
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post #3 of 4
9/25/11 at 12:57pm
Thread Starter 

Where to I get the NHC and what does it mean to "throttle" the CPU and why would that be beneficial in this case?

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post #4 of 4
9/25/11 at 1:19pm
http://www.pbus-167.com/nhc/nhc_faq.htm

Look at the SwitchSpeed option - finding a (lower) CPU speed that would satisfy your comp's performance thus limiting your fan from spinning often

cheers ...
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