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My lap top fan keeps going into high speed ? - Computers & Internet

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I'll give you some things to try first but i will need to know the model of your notebook.

locate the fan and while the notebook is turned off blast some air inside the vents to clear out any dust that may be making a nice sweater on the cpu heatsink inside.

link for canned air ---->

The next option would be to go into the bios and set the fan speeds but again i would need to know the make and model of your notebook.

Posted on Oct 03, 2008

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How do I control fan speed?

Keeping the fans clean is especially important, because the fans blow out hot air and bring in fresh air to cool down the laptop.

Fans attract dust, however, which can slow them down, resulting in a hot laptop.

If the laptop overheats, vital parts can cease functioning altogether.

Consequently, keeping your laptop's fans clean is crucial.

The fan speed on a laptop can determine how it operates consistently and reliably.

You can slow it down or speed it up, based on the circumstances.

For instance, slowing down the fan speed may be useful in reserving processes or during a prolonged slow time.

Speeding it up is beneficial in keeping the laptop cool during ongoing use or high-traffic times. For the long term, find a happy medium for regular use, so you won't "psyche" out your computer by constantly adjusting the settings.

Click on the Start menu and select "Control Panel." Next, choose "Performance and Maintenance."

Select "Power Saver."

To slow the fan speed, locate the slider next to "CPU Processing Speed" and slide it down by moving across to the left.

To speed up the fan, move the slider to the right.

Press "Apply" and then "OK," if prompted.

Hope this helps

Nov 08, 2012 | Lenovo IdeaCentre Q150 PC Desktop

1 Answer

Fans keep running high speed on the E210882 motherboard

This may be because the system is running too hot. The fan sits on top of the heatsink which cools the processor. If the heatsink is blocked with dust, the fan will be working harder trying to blow air through the heatsink fins to cool the processor. Open the case and check that the heatsink is clear of dust.

Apr 02, 2012 | Gateway Computers & Internet

2 Answers

IBM S51 (8210-CTO) gives high revs on the fan

This model has a variable speed fan, if gets faster as the temp goes up in the case.

If it is staying on high RPM all the time you may have a temp issue.

I would clear out all dust from inside that case, make sure to clear out the processor heat sync and see if that lets the fans drop back down to normal RPM.

Mar 02, 2011 | IBM ThinkCenter S51 (8171Y1A) PC Desktop

2 Answers

Is it free: My monitor goes to sleep. How do I stop this?

Right click on power options and remove the sleep option.
Hope that helps.

Jan 22, 2011 | HP Computers & Internet

1 Answer

PC runs great until you power completely off. The it will take several tries of power on attempts. It will not start with the CPU fan coming on high speed. Must keep trying until low speed is heard. I...

Sounds like a problem with the power supply based on what you've written. Could be motherboard too, but Power Supply is usually the culprit.

I'd swap it out to test ;)

Jan 01, 2011 | HP Pavilion a450n PC Desktop

1 Answer

How to adjust my computer fan

This is one program,

Would like to state though, be sure the fan in question isn't spinning at a high rate, due to a fault within the computer.

1) Computer is dirty inside.

A) Fan for the Processor, and Heatsink on the Processor, are dirty, causing the Processor fan to operate at a high rate.

[Some computers have a fan mounted directly on top of the Heatsink, sitting on the Processor.
Some computers use a computer case fan to push air through a plastic shroud, which envelopes the Heatsink.

Typical Fan/Heatsink combo, ]

Computer unplugged from power, Anti-Static Precautions taken, use a can of compressed air, (Or two if needed), to clean the inside of the computer.
Don't forget to clean the inside of the Power Supply.

[Using the plastic 'straw' provided, (Should be used at all times), insert the straw into the ventilation holes of the Power Supply's case.

Suggest starting with a hole located towards the top of the Power Supply's case, and directing the air flow towards side to side, and top to bottom.
Then move towards the bottom ventilation holes.

Come towards the back of the Power Supply, and clean the Fan's blades, and center hub. Also the surrounding shroud around the fan's blades.

If you find heavy 'gunk', (Dirt, dust, etc.), that the compressed air won't remove, suggest you use Q-tips.
You don't have to remove the 'gunk' with the Q-tips, just 'disturb the surface' of the gunk with them.
Then follow with air.

2) Thermal paste in-between the top of the Processor's case, and the bottom of the Heatsink, has dried up, or partially dried up.

Another situation that causes the Processor to overreach it's thermal limit, and cause the Processor fan to operate at full speed.

Computer unplugged from power, Anti-Static Precautions heeded carefully, the top of the Processor's case, and the bottom of the Heatsink are cleaned THOROUGHLY, and then new, fresh thermal paste is correctly applied.

3) Some fans have four wires.

A) One for the Positive connection,
B) One for the Ground, (Negative) connection,
C) One for the sensor that monitors the RPM, (Revolutions Per Minute) of the fan,
D) And the last wire is a sensor wire, that allows the computer to vary the RPM's of the fan's speed, as needed.

Ensure that the connection of all four wires is tight, and especially the sensor wire connection. A loose connection will cause an out of control fan speed.

Some programs, such as an intensive game, will cause computer case fan/s, and a Processor fan, to operate at high speed.
A necessary thing to keep the Processor from overheating.

For any questions you may have regarding what I have stated above, please post in a Comment.
Would appreciate hearing back from you.

Sep 15, 2010 | Computers & Internet

1 Answer

The computer next to me right when i turn it on sounds like the fan keeps speeding up almost like its about to explode.

The computer senses whenever the processor is getting hot or whenever a high-processor-utilization program is running and will speed-up the coolong fans.
You can replace the noisy fans with more quiet fans, but they will also speed up, but not explode.

Oct 13, 2009 | E-Machines eMachines Desktop PC

3 Answers

Uncontrolled CPU fan speed

Make sure you have used the proper Fan connection on the motherboard and that you used all the pins in it. Usually it consists of 3 to 4 pins for CPU fans. Does your Fan have 3 pins? If not then it is not compatible for Fan Speeds. Also check your BIOS for Fan adjustments. Hope this helps.

Sep 15, 2007 | HP Compaq d530 SFF PC Desktop

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