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Windows 7: Stone cold computer starts with CPU fan racing

30 Mar 2015   #1
pxfragonard

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 
Stone cold computer starts with CPU fan racing

Odd. There was no time for there to be heat in the case or the CPU. To quote Mr. McAllister: Anybody? Anybody?


My System SpecsSystem Spec
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30 Mar 2015   #2
fireberd

Windows 10 64 bit
 
 

A lot of Dell's do that until Windows loads or is loaded.

I would suspect the BIOS is set for fan full speed. If your BIOS has fan speed options that could be one issue.
My System SpecsSystem Spec
30 Mar 2015   #3
MilesAhead

Windows 7 32 bit
 
 

Some of my HP desktops had the same setting. It's like a spin up test so you can tell if your fans are dead before things get hot. But it can be annoying. There should be either a enable/disable or a voltage setting. You should be able to look at fan speed threshold to get a voltage setting for use when the cpu is cool, as a reference.
My System SpecsSystem Spec
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30 Mar 2015   #4
pxfragonard

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by fireberd View Post
A lot of Dell's do that until Windows loads or is loaded.

I would suspect the BIOS is set for fan full speed. If your BIOS has fan speed options that could be one issue.
Hi. I posted that from my Dell machine, causing confusion. It's the HP Windows 7 machine that was racing. I decided to clean it and took off the heat sink/fan assembly and, finding the paste really dry, I wiped it off and applied new paste. It's now purring like a kitten.

But the setting issue is interesting. The next post tells me it can't be disabled or changed in HPs, so that solves that part !

Thanks again. Cheers!
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30 Mar 2015   #5
pxfragonard

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by MilesAhead View Post
Some of my HP desktops had the same setting. It's like a spin up test so you can tell if your fans are dead before things get hot. But it can be annoying. There should be either a enable/disable or a voltage setting. You should be able to look at fan speed threshold to get a voltage setting for use when the cpu is cool, as a reference.
Yes, it's an HP. But I suspected the problem might be dust or dried out thermal paste. Resolved! Purring like a kitten.
My System SpecsSystem Spec
31 Mar 2015   #6
MilesAhead

Windows 7 32 bit
 
 

Quote   Quote: Originally Posted by pxfragonard View Post
Quote   Quote: Originally Posted by MilesAhead View Post
Some of my HP desktops had the same setting. It's like a spin up test so you can tell if your fans are dead before things get hot. But it can be annoying. There should be either a enable/disable or a voltage setting. You should be able to look at fan speed threshold to get a voltage setting for use when the cpu is cool, as a reference.
Yes, it's an HP. But I suspected the problem might be dust or dried out thermal paste. Resolved! Purring like a kitten.
They probably stopped setting the fans to spin up full speed during BIOS check because I'm sure it generated support calls. I had HP desktops where the BIOS settings for fan speed control were only accessible via an Easter Egg if you can believe that. I guess they thought only setup techs would need to access them in those days.

Glad you got it solved.
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 Stone cold computer starts with CPU fan racing




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