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Replace 120 mm case fan - Gateway Computers & Internet

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Quite simple, unplug the power lead from the power supply or motherboard. Then you will need to unscrew 4 screws that hold the fan in place. Install a new fan. Screw it into place like the previous one was and plug in the power lead.

Posted on Jul 10, 2008

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Fan making noise.

Most all fans can be replaced with ease. There are 4 mounting screws included with a new purchase. I suggest or Most fan sizes are available and all sizes are in mm. The most common sizes are 120mm and 140mm.

Jan 21, 2014 | Gateway SX2800-01 PC Desktop

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Fan compatible with HP Elite 7000

Processor fan? Computer case fan? Palm fan, lol?

1) Computer Case Fan = System Fan:

The computer case fan is referred to as the System Fan, in proper geek speak.
Back of the computer case/bottom for the Elite 7000 series.

To remove;
1) Unplug the computer from power,
2) FOLLOW Anti-Static Precautions,

3) Remove the four Philips head screws, from the back side of the computer holding the fan,
4) Unplug the fan's cable from the motherboard connector.
Red/Brown connector on motherboard labeled SYS_FAN1

This is the HP Parts Store, and listing for parts for your computer,

Scroll the page down to a little less than halfway.
Fan [Electronic Parts]
You can click on the camera icon to the right of -> In stock, to view it.


Yeah RiGhT, HP!

Let's look at another example from an aftermarket dealer,,Computer,Part,449207001.aspx

Yeah, right!

If the computer case fan is the problem, I need you to measure it.
Laying flat, measure both directions across it.
Now measure the thickness.

Let's look at some examples of computer case fans,

Need a Millimeter to Inches converter?

Click in the mm box, then type the size. Now go below, and click on Convert.

Let's use 120mm computer case fans for an example,

Hmmmm, around $6 to $15 bucks. !O_O!

Just one website, just the 120mm examples. Post in a Comment as to the outside dimensions, and I'll post a few websites for you.
(70 bucks, lol!)

We're talking about a Processor fan?
I do not see a listing. Probably part of a combo, and is listed three listings under the -> Fan [Electronic Parts]

-> Heat Sink [Electronic Parts]
586374-001 -> Contact HP

Contact HP? Ummm, no thanks. I'll just look that up with aftermarket dealers.,Computer,Part,586374001.aspx

$100 bucks. Ummmm, No.
That babies going to get dust on it, sitting on your shelves.

Yep. Seems to be the norm.
Nope, not this kid.

When purchasing a Processor fan, you can purchase the Fan by itself, if you know the dimensions, and method of mounting, or you can purchase a Fan/Heatsink combo.

If the Processor fan is bad, we need to talk maryscopes.

In-between the Top of the Processor, and bottom of the finned Heatsink that sits on it, is Thermal Paste.

A magnified view of the Top of the Processor, and Bottom of the Heatsink, would detail, 'Hills, Valleys, and Pitholes'.

When you mate the two parts together, Heatsink to Processor, there are Air Pockets created by these imperfections.

Air is an Insulator, not a Conductor.
Thermal Paste fills these voids, or imperfections, and is an Excellent conductor of heat.

IF the Processor fan quit spinning, or has slowed down, or spins intermittently, the Processor has overheated.

The heat may have caused the Thermal Paste to dry up, or harden.
This -> Greatly, reduces the thermal conductivity of the Thermal Paste.

In fact, it will become an Insulator, and not a Conductor. (Of heat)
It is best to replace the Thermal Paste.

Even if you just replace the Fan.
(When you replace a Fan/Heatsink combo, it is a required thing to replace the Thermal Paste also.

We'll come back to this.

The easiest things to do, of course, is to replace the fan itself.

The HP Elite 7000 NV525UT comes with an Intel Core i5 processor,

Yours may be different model number, but I suspect it will be an
Intel Core i processor, however. Plus an Intel Core i5 processor.
All you have stated is HP Elite 7000.
That is a Model -> series.

There is a Model Number also.
For HP the Product Number is the model number.
P/N = Product Number.
This on the back, or up on the side, in a white Service Tag.

There are two processor sockets used for an Intel Core i5 processor.
The older LGA 1156, and the newer LGA 1155.
(Looks backwards, huh?)

Good thing is, the method for mounting the Heatsink to the motherboard, is the same for both, the LGA 1156, and the LGA 1155 processor socket.

This is because the two processor sockets use the same dimensions,

LGA 1156,

You can click on the photo to enlarge it. Same thing for the next link,
LGA 1155,

You may be thinking by now, "Man, I just want to buy a fan. Why all this 'rhetoric'?"

Have to get the correct one, or it will not fit. I do not have your HP computer in front of me, and need your eyes so we together, can find the correct one.

I now want to show you a couple of basic examples, using Fan/Heatsink combos. One for the 1155, one for the 1156 processor socket.
This way you can look at the fans on top, and see the method they use of mounting,


See the four Philips head screws?
The one to the left is pretty easy to see. There is one on the opposite corner. One at the top right, and one opposite of it.


Same method of mounting.

May be cheaper, and easier, to just buy the fan/heatsink combo, remove the fan, and use it.

Anti-Static Precautions:
Your body carries Static electricity. Static WILL fry out (Short Circuit), the delicate hardware components inside a computer.

Relieve your body of Static BEFORE, reaching inside that unplugged from power, computer.

Computer on a table, computer unplugged from power, computer case open;
TOUCH an unpainted surface, of the metal frame of the open computer case.
This action will relieve your body of Static.

IF you leave your computer in the middle of working on it, be SURE to Touch the metal frame again upon your return.

Replacing Thermal Paste:
I will detail this out in a following Comment.

For additional questions, or questions regarding the above, please post in a Comment.


Aug 03, 2012 | HP Elite 7000 Microtower Core i5 (NV525UT)...

1 Answer

Compaq presario desktop sr1503wm fan at rear of cpu box won't turn. can it be fixed or replaced? apparently the other fan is overworking and causing a loud buzzing which goes off and on again every few...

If it is the fan in the power supply, replace the power supply.
The case fan is easily replaced. Measure it (in mm) and purchase a new one. The standard fan is usually 40 mm, I think.

Oct 07, 2010 | HP Compaq Presario SR1503wm PC Desktop

1 Answer

Will a 450w psu support....ati 5770, four 80mm fans,one 120mm fan

Yes you can do it. Should be no problem i used to have 4 accessory fans hooked up to a 450 watt power supply to keep my box cool, but i am also into gaming so need to keep things cool.

Apr 24, 2010 | Computers & Internet

2 Answers

Acer Aspire desktop AST135 cooling fan runs fast & slow - noisey

If the computer case, or Processor fan is noisy, it is due to the bearings are bad. The bearings are worn, and this allows the fan hub beneath the fan blades, to rub.

(If you gently rock the fan by lifting up on one side, and there is a perceptible amount of play, the bearings are bad)
Suggest you replace it.

For a case fan, just measure the dimensions of the fan's outside case.
Measure the Height and Length, plus the Width, (Thickness).
Look at the connector on the end of the fan's cable.

Most fan sizes are shown in Millimeters. (mm) If you are not familiar with the metric system, you can go online, and use a free Millimeters to Inches Converter.

1) 80mm = 3.14960 inches. Slightly over 3- 1/8th inches
2) 92mm = 3.62204 inches. Slightly under 3- 5/8ths inches
3) 120mm = 4.72440 inches. Slightly under 4- 3/4ths inches
4) 130mm = 5.11811 inches. Slightly under 5- 1/8th inches

See if it is a 2 pin connector, 3 pin connector, or 4 pin connector, on the end of the fan's cable.

(Fans operate on DC electricity. Just like the rest of the computer. DC is a Positive connection, and a Negative connection.

For a connector with 2 pins, that is all that is hooked up. Just power to the fan.

For a connector with 3 pins, the third pin is for the computer, to show what RPM's the fan is spinning at. {Revolutions per Minute}

For a connector with 4 pins, the fourth pin is a sensor connection.
The computer will speed up, or slow down the fan, according to what RPM is needed)

For a Processor fan the connection should be matched also.
When looking for a replacement Processor fan, it is the processor socket that the processor sits in, that you should look for.

You didn't state the full Model Number, such as AST135-US3104, or AST135-US3303, (It's on the back of the computer next to the Windows Product Key)
The two above models have an AMD Sempron processor.

They use a Socket 754.
(AMD Sempron 3100+, and AMD Sempron 3300+.
The AMD Sempron 3000+ that operates at 1.8Ghz, could be a Palermo Core that uses a Socket 754, or the model that uses a Socket 939)

Need help in finding a replacement computer case fan, or Processor fan? State so in an additional comment.

Jan 17, 2010 | Acer (AST135-U-S3100) PC Desktop

1 Answer

My processor has two fans the upper one doesn't work at all.

Is the upper fan in your power supply?

Your computer actually has 3 fans, one attached to the back of the case, one on the processor, and one in the power supply.

At any rate, fans are cheap. Go to,,,, get the idea.

Measure your fan, preferably in mm or cm, and order several of the proper sizes and replace all three.

Apr 17, 2009 | HP Pavilion 520c PC Desktop

1 Answer

Computer wont turn on or boot

what size power supply are you using, if its under 400 watts it may just be under powered. Large video cards 512mb and over take a lot of power. Try removing the video card and see if you can get the pc to power up, hopefully you have on board video.

How did you blow the cpu_fan connector, did you short it out? I would first supect the power supply is under rated, second a blown power supply, or mother board.

Mar 14, 2009 | Computers & Internet

2 Answers

Replacing the fan or fans in a dell 4600 with the quietest fan I

First you need to tell us which fans are the loud ones you are talking about but normally it is the cpu fan. Any computer parts store should have various fans available for different chipsets.
This link will take you to a page to find a fan. You will probably have to get the model number off your current one to find an exact match

Jan 07, 2009 | Dell Dimension 4600 PC Desktop

1 Answer

Need a replacement power supply cooling fan for a Gateway 500S Plus computer


Depending on whether Gateway used a standard sized fan 40 / 80 or 120 mm fan you might be able to find one at most electronics stores for Somewhere between $2 - $8 USD.

However if it is a proprietary sized fan or if you don't feel comfortable digging around inside of the Power supply. (A power supply contain high voltage capacitors that CAN maintain a charge even once the power is removed) Then it might be more beneficial to you to replace the power supply itself. Most OEM (Manufacturer) power supplies are in the 250-400W range about minimum to run the equipment your PC comes with from the factory..... Now add in any Aftermarket products you install (ie..... High end Video cards, sound cards or additional drive(s) and you can see how easy it would be to exceed your Power Supplies limit) Proprietary fans could demand a premium price if they are a special order and if your not comfortable around High voltage devices, then a new PSU is alot cheaper than a hospital bill for an electrical shock.

Hope this helps you

Nov 12, 2008 | Computers & Internet

1 Answer

Upgrading SR2010NX

Processor and ddr2 work fine as it comes to fan you have to know what kind of fan it uses 80 mm or 120 mm.

Jan 31, 2008 | Compaq Presario SR1050NX (DW257A) PC...

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