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Windows 7: Fan gets louder when put into sleep mode

17 Apr 2010   #1
Abhorcosm

 
 
Fan gets louder when put into sleep mode

For my first month of having Windows 7 (Ultimate, 64-bit, 4x2gb ram, Intel Pentium 4 3.8GHz) my sleep mode worked fine. It would enter sleep mode, the fans would slow down to an almost muted level.

After that month, every time I entered sleep mode my fans would get louder, not quieter, and continue running at the same loud volume until I woke the computer up.

I have the stock Dell fans, and no fancy fan software installed.
My BIOS is set to S3 sleep, my power plan set to high performance with my advanced power settings as thus:
Sleep After: Never
Allow Hybrid Sleep: Off
Hibernate after: Never
Allow wake timers: Disable
System Cooling policy: Active

Any help with this problem please?


My System SpecsSystem Spec
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17 Apr 2010   #2
Crispy

Windows 7 Ultimate x64 Service Pack 1 (Build 6.1.7601)
 
 

Two thing you can do is update the bios and try SpeedFan its an application that allows you to control the fan speeds temps and more: SpeedFan - Access temperature sensor in your computer
My System SpecsSystem Spec
17 Apr 2010   #3
not so gray matter

W7 Ult. x64 | OS X
 
 

I strongly urge you to use hibernate mode instead of sleep mode. Sleep mode works wonders on Unix based machines but completely boggles DOS based machinines.

When sleep mode shuts down almost everything but essential hard ware, it can really mess up settings inside Windows for some reason.

Hibernate on the other hand shuts everything down after moving active files, memory, etc to a special disk. When you resume from hibernate, you'll still have to boot but it'll be a bit quicker than a regular boot.
My System SpecsSystem Spec
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17 Apr 2010   #4
Abhorcosm

 
 

Quote   Quote: Originally Posted by Crispy View Post
Two thing you can do is update the bios and try SpeedFan its an application that allows you to control the fan speeds temps and more: SpeedFan - Access temperature sensor in your computer
Right now I have Dell A06, and I downloaded the Dell A09, but it isn't letting me install it from Windows? I get an error that says Windows Configuration Error: An error was encountered trying to configure windows to allow flashing, please reboot and try again blah blah.

I believe this is the right BIOS for my Precision 380?

Quote   Quote: Originally Posted by notsograymatter View Post
I strongly urge you to use hibernate mode instead of sleep mode. Sleep mode works wonders on Unix based machines but completely boggles DOS based machinines.

When sleep mode shuts down almost everything but essential hard ware, it can really mess up settings inside Windows for some reason.

Hibernate on the other hand shuts everything down after moving active files, memory, etc to a special disk. When you resume from hibernate, you'll still have to boot but it'll be a bit quicker than a regular boot.
Yes, I've been using hibernate ever since the fan problem started, but I really like the speed in turning on from hibernate :V
My System SpecsSystem Spec
18 Apr 2010   #5
Bill2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86
 
 

I noticed, in your power plan settings, "System Cooling Policy" is set to "Active". In Win7, policy can either be active (like yours) or passive. In the active setting, when the cpu heats up, the fans will come on and cool it down BEFORE the processor is throttled to protect damage to the processor. In the passive setting, it is reverse and the processor is throttled first. So try changing that setting to passive and see if that helps.

From your power settings, I guess you may be a gamer or at least do some cpu-intensive stuff on your machine like video. If not, then try changing your power plan to balanced. Within this plan you can tweak the Min and Max Processor States to your liking for both a/c power and battery.
My System SpecsSystem Spec
18 Apr 2010   #6
Abhorcosm

 
 

Quote   Quote: Originally Posted by Bill2 View Post
I noticed, in your power plan settings, "System Cooling Policy" is set to "Active". In Win7, policy can either be active (like yours) or passive. In the active setting, when the cpu heats up, the fans will come on and cool it down BEFORE the processor is throttled to protect damage to the processor. In the passive setting, it is reverse and the processor is throttled first. So try changing that setting to passive and see if that helps.

From your power settings, I guess you may be a gamer or at least do some cpu-intensive stuff on your machine like video. If not, then try changing your power plan to balanced. Within this plan you can tweak the Min and Max Processor States to your liking for both a/c power and battery.

Nah, I changed that to "Active" long after I started having this problem :/
It's also not because of my selected plan. I'm on "High Performance" for powering my two screens and multiple adobe applications often open at the same time.
My System SpecsSystem Spec
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 Fan gets louder when put into sleep mode




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