laptop become erratic or slow because of heat

Hi,
  I had this problem for several months now with my Dell Inspiron 5150 with DVD RW drive and GeForce Go5200 Graphic. I bought the laptop almost two years ago. Since beginning of this year, my laptop become very hot in very short times and this leads the computer to become erratic when I play movies or play games. And the laptop's fan sounds like a "hurricane" . I updated my BIO to 38A, which is the latest for Dell Inspiron 5150. I am pretty sure it's because of fan. Is there anything I can do to solve this problem? like Do I need to clean up the fan?
 
thank you
jinchenzhe19Asked:
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Irwin SantosComputer Integration SpecialistCommented:
It's seems more than just the fan... still under warranty?  perhaps a nice call to Dell support is in order.

If out of warranty,you could open your notebook and shoot compressed air on the fan blades to get rid of the dust. .also you could lubricate the fan with "greaseless lubricant".
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jamietonerCommented:
yes, definelty get a can of compressed air and blow out the fan and the heatsinks. you should have to open it up to get to these, just blow through the vents and that should be good.
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jinchenzhe19Author Commented:
Ok, I see. but the thing is that It seems that I cannot access the fan,(even I open the computer) at least, I cannot see the fan blade. Will it work If I just blow the can of compressed air from the fan holes without open up the computer? if I buy a can of compressed air. What "p.s.i" should I choose?
thanks again
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Irwin SantosComputer Integration SpecialistCommented:
you need some direct path of open vents.. otherwise you will just circulate any accumulated dust.
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scrathcyboyCommented:
Not only clean fan, but grease it or replace it.  Fan in laptop is very crucial, once make a noise, fix it at once, or lose the laptop.  If screaming, grease immediately (even silicone spray, but only on bearing) and then replace fan asap!!
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scrathcyboyCommented:
No way - NO compressed air into a laptop, unless you want to buy a new one.  Get to it, or get someone to get to it, and fix or replace.
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PCBONEZCommented:
There's a chance the fan is noisy only because vents are clogged.
If it doesn't quiet down after cleaning the vents REPLACE IT SOON.

I highly recommend that you DO NOT use compressed air (even if it comes in a can) into laptop vents.
The comprssed air method assumes there is some place clear of the system for the crud to go.
What happens if you blow into vents is you blow the stuff all over inside and very little actually gets out.

You should use a vacuum if you aren't going to open it up.
Use it first and last where air comes out but switch between the intake and exhaust vents a couple times.

The -best- thing to do is open it up and clean it well.

Also, when you use the laptop make sure none of the vents (in or out) are restricted.
I've seen people use them on a bed, pillow, sofa, carpet. Bad bad bad... Don't do it...
Some laptops have drop-down feet. Use them if you have vents on the bottom.
Also some laptops with bottom vents have (non-movable) feet that are too short.
- Make sure you have room for airflow underneith if you have bottom vents.
Always make sure it's on a hard surface even if there are no bottom vents.
- Some of the heat is dissipated through the chassis (case) so you don't want the bottom insulated.
.
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nobusCommented:
i would also recommend opening the laptop, and clean it.
while open, you can also check if the heat paste is still ok between the heatsink and fan, and the cpu; if necessary, reapply a tiny drop after cleaning the old away.
You can also check in the bios if your cpu temp is rising too high :

www.heatsink-guide.com/maxtemp.shtml 
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Irwin SantosComputer Integration SpecialistCommented:
@scrathcyboy & PCbonez....just to clarify about compressed air and my comment
"you could open your notebook and shoot compressed air on the fan blades"

I specifically pointed out that the notebook MUST be opened and to direct the air at the fan blades.  In case you missed that.
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PCBONEZCommented:
irwinpks,, I wasn't refering to your comments. I was answering what the asker asked after your comments..
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Irwin SantosComputer Integration SpecialistCommented:
@pcbonez...ok, just had to clarify that :-)
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Irwin SantosComputer Integration SpecialistCommented:
Cool. thank you!
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