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Windows 7: Laptop fan suddenly starting to go nuts


19 Oct 2013   #1

Windows 7 Home Premium 64Bit
 
 
Laptop fan suddenly starting to go nuts

Hi ive had my dell insipiron n5110 for just over a year and havent had many problems. Ive got a windows 7 installed (clean, not the dell bloat filled version) and ubuntu on another partition.

A few months ago (around the time i installed ubuntu) my laptops fan started to work really hard and was quite noisy and annoying. This happens when im doing basic tasks that arent very intensive such as simply browsing the web with 2-3 tabs open. I always check task manager when this happens and no process ever seems to be hogging resources. This never used to happen so does anyone have any ideas?

Thanks in advance.

My System SpecsSystem Spec
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19 Oct 2013   #2

Windows 7 Home Premium x64
 
 

Have you checked the temp.'s when the fan starts this?I mean, is the machine really heating up enough to warrant the fan working that hard? Have you cleaned the exhaust ports lately?
My System SpecsSystem Spec
19 Oct 2013   #3

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

Fear the dust bunnies as they just happen. A clean lappy is a happy lappy.
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20 Oct 2013   #4

Windows 7 Home Premium 64Bit
 
 

Quote   Quote: Originally Posted by indianacarnie View Post
Have you checked the temp.'s when the fan starts this?I mean, is the machine really heating up enough to warrant the fan working that hard? Have you cleaned the exhaust ports lately?
Quote   Quote: Originally Posted by linnemeyerhere View Post
Fear the dust bunnies as they just happen. A clean lappy is a happy lappy.
Thanks for the replies. Ive monitored my cpu temps using SpeedFan and this is what im finding:
The temps listed are Temp1, Core 0, Core 1.
When im not doing anything (or doing something very non-intensive) all three temps are around 49C-54C and the fan is off/very quiet. The fan starts to go nuts once my temps reach 55C-60C.

My cpu is the intel i5 2450m. Any other thoughts? Is this normal? Should i be worried?
The idea of cleaning it sounds good so ill have to look into that.
My System SpecsSystem Spec
20 Oct 2013   #5

Windows 7 Home Premium x64
 
 

I hesitate to , and would rather not , post links to other help sites but this pertains to your machine. Have you seen this? From my understanding this is an inherent problem with your machine model. Still, a good cleaning will help keep it within bounds.

Overheating issues, Dell Inspiron N5110 [Solved] - Dell Inspiron - Laptops & Notebooks.


Here's a video showing you how to clean a Dell Lappy.

http://www.bing.com/videos/search?q=...663C5BC4A28947
My System SpecsSystem Spec
20 Oct 2013   #6

Windows 7 Home Premium 64Bit
 
 

Quote   Quote: Originally Posted by indianacarnie View Post
I hesitate to , and would rather not , post links to other help sites but this pertains to your machine. Have you seen this? From my understanding this is an inherent problem with your machine model. Still, a good cleaning will help keep it within bounds.

Overheating issues, Dell Inspiron N5110 [Solved] - Dell Inspiron - Laptops & Notebooks.
Yea ive looked around, and you are right...it does seem to be a common issue with this model. I was planning on opening the laptop up to clean it, but its quite a complicated process to get to the fan/heatsink. Im a bit hesitant to do this now and would rather not disassemble.

Yesterday i decreased the "Maximum processor state" found in the advanced power options from 100% to 99% and it seems to have helped. Probably not a great permanent solution though. I was thinking of using compressed air but wouldnt that push the dust in further? Also if i were to use compressed air, would i blow it into the vent on the side or the one on the bottom (top right) ?
My System SpecsSystem Spec
20 Oct 2013   #7

Windows 7 Home Premium x64
 
 

I posted an edit to my last reply on how to clean. I hope it helps!
My System SpecsSystem Spec
20 Oct 2013   #8

Windows 7 Home Premium 64Bit
 
 

Quote   Quote: Originally Posted by indianacarnie View Post
I posted an edit to my last reply on how to clean. I hope it helps!
Thanks for the video, but unfortunately my laptop doesnt open like that. It seems that you need to go through the hassle of removing keyboard and pulling off the whole front plate to get to the motherboard and have access to the cpu fan + heatsink. I watched this video but at around 4:38 the guy does some crazy thing and i dont plan on doing that with mine. So I want to use either compressed air or a vacuum. Ive got some questions in my post above that you may be able to answer.

Thanks again for your help.
My System SpecsSystem Spec
20 Oct 2013   #9

Windows 7 Home Premium x64
 
 

Personally I use compressed air on both my intake and exhaust vents. I also use a small soft brush to "pre-clean" my exhaust vents. I'd be careful with a vacuum but I try to err on the side of caution. Whatever you decide to do, be careful of the liquid propellent in the air can. While I've NEVER had a problem using canned air the possibility exists I suppose.
My System SpecsSystem Spec
20 Oct 2013   #10

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate 64
 
 

On a now outdated Gateway lappy of mine it was like yours where to get to the fan and heatsink you had to pull the keyboard....not easy and when prying the plastic parts many fought me. With it I used a vacuum placed over the exhaust running full pop and then short intense blasts of air from the intake side. This would clean the dust out and gave me the best extraction.
My System SpecsSystem Spec
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