Question about Sony VAIO VGC-RB50 PC Desktop

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Sont Viao tower has power source/fan noise. What is the fix?

I have blown out all fans and removed all dust. Sounds like noise is coming from Power source??

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The fan in the power supply may be going bad. If thats the case you will need a new power supply.

Posted on Dec 27, 2008

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Have a dell tower and want to know how to fix the fan


buy a replacement power supply fan
or
buy a replacement power supply - dearer option but power supply may be faulty if fan is not running and you fix two problems however be careful with AC input voltage that it matched the power point voltage. or smoke and broken power supply ! take old power supply to computer shop to ensure correct power supply is purchased.
or
if it is the cpu fan
buy a replacement cpu fan and thermal paste.

Possible cheaper options if fan choked full of dust
get a can of compressed air and blow the dust out of the power supply and cpu fans outside your dwelling not inside your your office/ home.
Power supply fan may need a drop of machine oil if noisy or its bearings are worn out..

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Dell optiplex 760 tower fan noise problem


Its important to try and distinguish where exactly the noise is coming from the most typical example of this is the PSU fan (Power Supply Fan). The above also is very correct but its better to eliminate each point of failure.

May 08, 2014 | Dell OptiPlex 760 PC Desktop

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Hpt 1100ps Grinding Noise


Hi Steven:

It sounds to me as if you have an issue with the power supply. Most power supplies these days have a fan built in them. When you have a grindy noise like that it more than likely is the fan going out or the blades of the fan is dirty enough to put it out of balance. Move your plotter out so you can see the back. Get down and listen carefully to determine where the grinding is coming from. Once you determine where the noise is coming from . Get a flashlight and is there are vents in that area look to see if you can see the fan blade spinning.

You may have to unplug the machine, remove the back of the printer to get to the area. If the fan blades are covered with dust. Try some canned air to blow away the dust. If that doesn't work, remove and replace the power supply. For future reference you should be doing maintenance on your printer monthly by dusting and vacuuming the open vents. You would be surprised how much damage paper dust can cause. You can look up the parts for your plotter here.

http://h20141.www2.hp.com/Hpparts/Default.aspx?mscssid=14053ECEC05440BCB6ED850FCB3C2FC0

Good luck.

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My computer was in the shop for something unrelated to this problem and now that I have it back it (the cpu fan) sounds like I'm running a vacume it's that loud.


Hi Tim,

I can not say for sure that this is whats happening, but from your description, it seems logical.

After work is done on a computer, sometimes one of the ribbon (data) or power cables isn't completely secured. It can move around within the case, especially if it is transported (like back from a shop).

On occasion one of the cables comes in contact with a CPU fan (or any of the fans in a computer).If it does, the noise they make is horrendous.

Fortunately, the fix is easy. Get a flashlight and a screwdriver.
  • Open the box.
  • Switch the computer on
  • Locate the noise source if possible paying attention to the areas around the fans.
  • When you find it switch off.
  • If it was a cable just relocate it out of the way.
If this turns out not to be the problem, please comment back with more detail.

Best regards

Mike

Feb 05, 2011 | Foxconn CPU Cooler Fan CPU Fan

2 Answers

Grinding noise in tower


Grinding noise in tower If everything on your computer is working fine then it is probaly a fan put your ear in the back of your tower near the power cord and see if you can hear the grinding noise better if you can then your power supply's fan is going out if not its probally one of the inside fans in your tower open up your tower and see if you can find which fan it is if you dont want to do this you should probaly get a tech to look at it it's a pretty cheap fix and it can save your computer from heat dammage

Nov 07, 2009 | Computers & Internet

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Dell Optiplex GX270 sounds like a jet taking off. What is wrong and what do I need to do to fix it?


Hi,
You have to find out where the noise is coming from. It could be;
1) a fan on your motherboard if it has one
2) the fan on your heatsink that keeps your cpu cool
3) the fan on your power supply unit
4) a cd or dvd rom drive
5) one of your hard drives
6) one or more of your case fans.
7) a fan on your video card if you have one.

You don't want to open your power supply, so if this is the cause of the noise you can replace the whole PSU. Other than that, any other component listed above can be replaced by going to newegg.com for parts.

Good luck,
Hank



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3 Answers

My new acer aspire tower has an anoying hum. Is this normal?


Hi Rick,

Ideally there will be some amount of noise emanating from any system, so its normal. The noise factor can be attributed to various components within your tower. Typical components that generate noise are:

CPU Fan - It usually runs at a speed of 1500 rpm
Hard Drive - There are circular metallic discs in the hard drive which run at a speed of about 7200 rpm for normal hard drives
Video Card Fan (if there is one)
SMPS/Power Supply fan

However, if the noise is very audible then you can try the following:

- Ensure that your tower is kept on a flat surface
- There are no obstructions around the power supply fan (found at the back of your tower)
- Power supply provided is proper and coming through a spike buster

If you feel that the noise level is high, then I would recommend contacting Acer support as it may be a problem with one of the fans or the way your motherboard has been fixed within the tower.

Jul 07, 2009 | Acer Aspire™ T180 PC Desktop

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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  :-)

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1 Answer

Sony Viao PC RX404 Frozen


Try removing and reseating the vga card.

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1 Answer

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!

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