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Fan is too loud

If there is more than one fan, I think that it's the power supply fan because the loudness is constant.

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  • eMachines Master
  • 27,725 Answers

Every computer comes built with a processor cooling fan system.
The fan's main function is to keep the processor from overheating.
After long periods of use, processor fans can start to malfunction.
If your eMachines computer's fan is excessively noisy, it will need some maintenance.
If you don't deal with a noisy fan promptly, your computer's processor could overheat and cause significant damage to your motherboard as a result.

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules
Only work inside the computer case when the power has been switched off and disconnected. Never open the power source.
Some of the below steps recommend removing physical parts within the computer.
While in the computer it is highly recommend that you be aware of ESD and its potential hazards.
Power down the computer.
Disconnect all cables and peripheral devices from the computer's back panel.
Rotate the computer so the back panel is facing you. Lay the computer on its left side.
Remove the Phillips thumb screws that fasten the right side access panel to the computer's frame.
Remove the side access panel from the computer to reveal the motherboard and all internal components.
Locate the cooling fan assembly near the center of the motherboard.
Remove all Phillips screws fastening the fan to the motherboard.
Disconnect the fan's power cable from the motherboard.
Then lift the fan out of the computer.
This will reveal the processor chip.
Place the fan on a flat work surface with the label sticker facing upward.
Use a thin, flat-head screwdriver to peel away the label sticker from the fan.
This will reveal the access hole to the fan motor's bearings.
Apply one to two drops of lightweight mechanical oil into the fan motor's bearings.
Replace the fan's label sticker.
Use a can of compressed air to spray the dust and debris from inside the fan blades.
Place the fan back into the motherboard on top of the processor chip.
Replace the retention screws and reconnect the fan's power cable to the motherboard.
Replace the side access panel and its two retention thumb screws.
Place the computer tower vertically, and then reconnect all cables and devices to the computer.


Posted on Nov 18, 2013

4 Suggested Answers

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Posted on Jan 02, 2017

Crankstart
  • 696 Answers

SOURCE: Fan makes loud noise after computer warms up. I do not want to purchase a new power supply. Can and where can I purchase a new fan and can I easily inststall it?

**** is right in general it's not much more to replace the whole unit.

This unit however is a pain due to it's unusual size and high price.

Although typically I advise recycling the old one and buying a new one this is one of those rare cases where the repair would be significantly cheaper.

Two major issues to be aware of if you plan to attempt a repair:

1. size is not the only thing that matters, you must find a fan that within 1/10 of a volt and amp matches this one and it must have as greater or greater airflow

2. orientation is everything. before removing the old fan verify which direction the air is blowing and be absolutely sure to put the new one in the same way as the change in direction may bugger airflow not just for the AC but for the whole unit.

If you're adept in repairs including saudering PCB boards, go nuts and have fun. If not your best bet is actually a stereo repair shop as most computer techs these days don't own let alone use a saudering iron. Stereo repair guys typically sauder new fans fuses and other small components far more often than us computer guys who tend all too often to toss parts rather than repair them in order to save ourselves time and our customers money.


Chris Armor-IT

Posted on Apr 24, 2009

luis356
  • 53 Answers

SOURCE: Fan runs constantly

one reason that a CPU fan may be running constantly is that it may not be able to cool the cpu down. usually this could be due to dust or debri clogging the incoming or outgoing vents or even dust accumulated on the fan itself or the heatsink.

Posted on Jun 03, 2009

  • 2 Answers

SOURCE: dell dimension 4700 power supply fan has gotten very loud

All the above answers are correct to some extent. Problem is that your fan hasn't stopped. It's hard to diagnose something that isn't broken.

Depending upon how critical the computer and your finances, your fix could be:

1: Do nothing and wait for it to stop working.
2. Spray fans with DW40 and wait for it to eventually stop working.
3. Replace first one, then the other fan.
4. Replace both fans at the same time.
5. Replace computer.


Posted on Jun 03, 2010

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