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Loud noise from back of tower. Sounds like fan. Noise stops after an hour or two.dimension 4700 series service tag 6F53D61

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Posted on Jul 13, 2010

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1 Answer

Nothing on monitor. orange power light on tower and monitor also loud fan??


Usually means the power supply in the case has failed. I'd start by replacing it.

Jul 06, 2011 | Dell Dimension 4700 PC Desktop

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Loud noise from fan cpu not comin up


You probably should chek your fan
or you can look at your power supply it has a fan to
restart your computer go to setup mode "bios" and look at the temperature

Mar 15, 2011 | Dell Dimension 4700 PC Desktop

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Have a dell dimension 4700 with orange steady light?


Turn the machine off and unplug the AC power then hold the power button in for about 30 seconds to drain any residual power. Plug it back in and turn it on, when you see the Blue DELL word press CRL+ALT+D and this should run a diagnostic on the hard drive. If it runs ok you will get a pass or fail on the hard drive. If you cannot get the diags to run you might have a bad power supply or motherboad/processor. I would find a known good power supply and try it before the motherboard.

Mar 09, 2010 | Dell Dimension 4700 PC Desktop

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Dell dimension 4700: top fan makes a lot of


some fans are just loud, they tend to speed up and get louder when the computer heats up, it keeps it from over heating... if it always runs hard and loud the internal thermostat could not be working right.

Feb 23, 2010 | Computers & Internet

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Dell Precision 670 Workstation REALLY LOUD and NOISY


It could be due to a failture of either the SMPS fan (Power Supply), the system cooling fan or the Videocard fan... Now checking the power Supply fan issue is easy... Take a toothpick {wooden} n insert it between the fan fins at the back of your tower... This is the fan that is visible from the back of your tower... Now if the noise stops then it is the SMPS fan issue

If it still persists then do the same procedure with the CPU fan located on the inside of the tower.. this is a bit tricky but you seem tech saavy enough to do so but anyways this is the link for a step by step procedure of getting inside your desktop

http://support.dell.com/support/edocs/systems/ws670/en/ug_en/index.htm

The third case is the Graphics Card... now there is no way we can say this with certainty but you can do this... remove all connections from the back of the tower.. remove the graphics card, connect just the power chord n start back up... if the noise is gone then the Video Card is the culprit.. REMEMBER TO REMOVE POWER CHORD ALL TIMES YOU OPEN THE TOWER N BE VERY VERY CAREFUL N FOLLOW THE MANUAL  :-)

Feb 12, 2009 | Dell Precision Workstation 670 PC Desktop

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Dell dimension 4700 power supply fan has gotten very loud


i'm not sure whats wrong with it put it maybe that the bearings in the fan are bad i suggest that you get a new fan:)

Jan 04, 2009 | Dell Dimension 4700 PC Desktop

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Loud noise


Typical problem in most computers, the fan is experiencing a "burn out." This means there is either something caught in the fan causing it to create noise, or the motor is going bad. there are two fixes for this problem.
1) open you computer's case according to its manual and remove the system cooling fan and give it a thorough cleaning.
2) you may need to replace the cooling fan with its recommended replacement model.

Hope this helps!

Jul 08, 2008 | Gateway 506GR PC Desktop

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Loud Dell desktop


Any fan that is making noise you would need to replace. There is also never a need to use alcohol to clean a fan. Some computer air or a light wipe down will do just fine.
If you have any other questions let me know.
Thanks,
Lee

Jun 26, 2008 | Dell Dimension 5150 (DIM515MIN) PC Desktop

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Loud humming noise as fridge is running


Sounds like the freezer fan is rubbing some wires or possible some foam insulation around the fan. I would look into the freezer compartment fan and go from there. The fan Will Shut off when you open the doors. Let me know how you make out and if you need anymore help.

Thanks,
Bill

Apr 27, 2008 | GE (PSS26MSRSS) Side by Side Refrigerator

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