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.

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My e-machine tower isnt working right. the power light comes on for a second then immediately fades out and then goes out


Possible bad power supply.You can try cleaning the tower out with a vacum,remove all dust or dirt from all fans.

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How to fix my computer PC so noisy


check the noise location.

It could be the internal fan or it could be the CD/DVD drive making noise.

You probably have to open the case/Tower to check what is causing the noise. If it is a fan make sure it is not obstructing with any wire and then close the tower carefully.

It could be the SMPS( switched mode power supply ) the power supply of the computer. SMPS is the box inside the tower where the power cable of the computer gets connected.

Try to check if that is making noise or not .. If it is get that replaced.

If it is a CD/DVD ??

check if the noise comes when the CD is in or it comes even if it is empty.

Both cases the CD/dvd drive needs repair.

Try the steps above and let me know if you have any other question.



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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 | PC Desktops

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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.

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Dell tower desktop Dimension 5100. Tower makes whistling sound.


sounds like it could be a bearing in your hard drive. is this problem constant? If so, I would open up the tower and disconnect the hard drive and then power up the tower again. if the sound goes away--you need to get a new hard drive. If not, you could have some dust bunnies in your cooling fan.

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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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