HP fan suddenly slows down to minimum.

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verma1891

verma1891

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Jun 18, 2011
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OK, so from the last month or so, I am having a weird problem with my laptop. Its an HP pavilion dv6-6165-tx With Intel core i7-2670qm and 6770m with HD3000. It is about 2 years old.

This laptop never gave me any problem until recently its fan started acting weird. It suddenly looses its speed. Like when I play games like NFS rivals or AC4BF, it works fine and suddenly, drops dead to minimum speed. When the fan works fine, the maxm temps of both cpu and gpu hit 80c that too, rarely, despite the fact that i overclock the radeon to 840 core clock/920 mem clock (stock=725/800). And when the fan lowers, The temperatures spike upto 100C leaving me no choice but to quit all intensive work. I have installed HWinFO that warns me when the temps go up so I save my lappy from frying.

After sometime, the fan kicks in automatically as someone has slapped it and said, "Wakeup u dumbass, u have a GPU and CPU to cool". And then everything cools down again.

This has nothing to do with overclocking. This behaviour exists whether or not I overclock. Neither its related to software. Any suggestions?
 
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James Mason

James Mason

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Jan 2, 2014
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Are you able to turn on manual fan control and just set it to always run at 100% and see if it still turns itself down?

You can also try using SpeedFan: www.almico.com/speedfan.php
to manually control the temps, and you can set custom power settings based on temp/cpu/gpu usage.

it's possible your fan is dying, but I imagine it would just outright die if it was actually bad.
 
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verma1891

verma1891

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Its a laptop and I dont have control over fan speeds. Also, sometimes I get a fan error on start up. I got it checked up. They said the temps are ok and there is no need to change the fan or the entire heat sink. As it is a random problem, it never shows up when someone wants it to show up (i.e. in front of repairing guys).

BTW, Does a fan die? I mean does it have a lifespan too :p I have never heard of that..
 
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James Mason

James Mason

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Jan 2, 2014
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Yes fans can and will die, especially if they get overworked, like if you use your laptop on a blanket on your bed/ect. if they fans dont get proper ventilation they croak and die, they do have a lifespan as well, the bearings wear out ect.

It's also highly possible your laptop is just poorly designed:
http://in.answers.yahoo.com/question/index?qid=20130210034317AAm4lX3

A laptop cooling solution might help: http://www.newegg.com/Laptop-Accessories/SubCategory/ID-319?&cm_sp=LapAcc26-_-VisNav-_-LapAcc
 
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verma1891

verma1891

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Oh no no no no, this laptop is not badly designed, I have had extreme game play sessions with this laptop. Extreme means 5+ hrs of gta 4 and 8+ hrs of dota online and many others. It never ever heats up. Even with the overclock, temps touch 80C max. This problem is new and I think i have no other way but to replace the fan or the entire heat sink module :|

Regarding the dying of fan, I also think if it is dead, it should be dead ALWAYS and not periodically.
 
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