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Motherboard, cooling unit connection broke

On my motherboard, where the processors cooling fan/metal unit attaches to the board, there are two metal snap mecahnisms that secure the cooling unit, the snaps connect to a plastic part that is screwed to the board. On eo the plastic parts broke, where can I get new one/ other ways to fix?

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Re: motherboard, cooling unit connection broke

As Eblackadder says, you probably need a new board, but since that's the case you can take the attitude that you have nothing to lose.

If it were me, I would look very carefully at the motherboard around the socket to see if you can drill some small holes without hitting a metal trace. You will really be gambling here because these boards have metal traces embedded inside the board that you may not be able to see.

Assuming you can find a few spots where you think drilling a small hole is possible you could then use zip ties to pull the heatsink assembly down tight to the processor. I would use very small zip ties. Since these are typically not very long, you can chain a number of them together.

Best of luck.

Posted on Nov 28, 2007

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Re: motherboard, cooling unit connection broke

Probably need a new board. If you try to start the pc without the heatsink tied down really tightly to the cpu, it will burn out the cpu in seconds. I think the part you are referring to is part of the built in cpu socket. Don't think it is removable.

Posted on Nov 28, 2007

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Dell 1735 freezing

1) If you are trying to play too intensive a game for it, the laptop will freeze up.

2) Most of the time, the fault can be attributed to the laptop is dirty inside. Also the Thermal Paste on the Processor may have dried up.


The Dell Studio 1735 Notebook PC, is just like a LOT of laptops.
Draws the air in to cool the hardware components, from the Bottom.

The Fan Assembly draws air in from the air intake duct, on the bottom of the laptop.
Now take a look at how close the bottom is, in relation to the hard flat surface it is sitting on.
Pretty close.

This allows all kinds of \'Gunk\' to be \'inhaled\'.
Dirt, dust, hair, lint, food crumbs, carpet deodorizer, name it.

The \'Gunk\' then coats the cooling components for the laptop.
The cooling components are;

1) Cooling Tube:
Copper tube sealed on both ends, and filled with Nitrogen.
Has metal plates on it that sit on the Processor, and graphics chipset.

2) Heatsink:
Rectangular finned object. One thin strip of metal, usually, and has Tall, Thin fins protruding from it.

3) Fan Assembly:
Small multi-bladed fan in a D-shaped shroud.

The metal plates on the Processor, and graphics chipset; absorb heat from the two aforementioned two hardware components.
Heat is then absorbed by the Cooling Tube.

The Cooling Tube absorbs the heat, then transfers it up to the finned Heatsink.
The fins of the Heatsink radiate the heat away.
The Fan Assembly blo-ws air through the fins of the Heatsink, and helps carry heat away.

If the fan\'s blades, center hub, and surrounding cage (Shroud), are coated with just a light \'film\' of Gunk, the cooling capacity drops Tremendously.

Same with the fins of the Heatsink.
Coating around the fins, and in-between the fins.
Here is a look at an average dirty laptop, (Inside),

When the Processor overheats it turns off. (BIOS turns it off)
This is a fail safe feature that is built-in. Keeps the Processor from burning up. (Sometimes Literally!)

Processor overheats, and laptop starts freezing up.

The Fan Assembly could be bad also.
The fan has to run at a certain RPM. (Revolutions per Minute)
It cannot run intermittently either.
Spin, slow down, then spin back up; or spin, stop, spin.

If so replace.

To clean the laptop yourself;

A) Recommend a ESD wrist strap, and connect it to a good ground source. (Electro Static Discharge)
Your body carries Static electricity. Static WILL fry out (Short Circuit), the delicate hardware components, inside a laptop.

Wearing an ESD wrist strap, and having it\'s alligator clip attached to a good ground source; will alleviate Static electricity.

Here is an average example,

I connect to an unpainted surface, of the metal frame of an open, empty desktop computer.
You can set a large metal serving tray, on the table you\'re working on, and connect to it. (Unpainted)
Or a large metal knickknack. (Unpainted)

B) Use a multi-compartment container, for the various screws you will remove. Label each compartment for the area the screw/s come out of.
SOME screws look VERY similar to other screws.
Advise DO NOT mix them up!

C) Philips screwdriver, No.2, and set of cheap Jeweler\'s screwdrivers will help also.
A Spudger Tool, or a thick guitar pick.

D) Use a can, or two of compressed air for computers.
(I say two because while you are using the first one, it will freeze up.
Set it down, allow it to warm up, then use can 2)

Also suggest Q-tips, and a small fine soft brush, (Makeup brush?)
Use to \'stir\' the thick gunk a little, so it will be easier for the air to remove.
(Good for where the fan\'s blades meet the Center Hub, and other tight places where heavy Gunk will accumulate)

FORTUNATELY for this model (Studo 1735), the Base Cover comes off. Cooling assembly is right there.

(Most laptops have to be disassembled from the top down, i.e., Switch Cover, Keyboard; remove Display Assembly, then Top Cover, (Palm Rest Cover), Harddrive, optical drive, Wireless antenna wires, then Motherboard.
The Processor, and cooling assembly is on the Bottom of the motherboard)

Here is the Service Manual,

There are two styles of Cooling Tube/Heatsink assemblies; for the Studio 1735 Notebook PC;
One is for Integrated Graphics, and the other is for models that were ordered with Dedicated Graphics.

The Dedicated Graphics Cooling Tube/Heatsink assembly; is shown above. This is what the Integrated Graphics Cooling Tube/Heatsink, looks like,

(Suggest click on the image. Don\'t wait for the small image to \'clear up\')

May be two different Fan Assembly\'s also. Wanted you to be aware in case you have to replace the Fan Assembly.

In this example, the small metal plate that has the Tri setup for screw mounting; sits on the Processor.

Even though this model, is for Studio 1735\'s that do NOT have dedicated graphics, it is MHO that the smaller square metal plate at the end of the Cooling Tube; sits on a graphics chipset.

On top of the Processor is Thermal Paste.
On top of the graphics chipset, is a small Thermal Pad.
The Thermal Pad is material that is impregnated with Thermal Paste.

The Processor MAY also use a Thermal Pad, and not paste.
The Thermal Paste is scraped off the best you can, with a plastic scraper. (DO NOT use metal)
I use an old credit card.

[ You CANNOT reuse a Thermal Pad.
The Processor, and Cooling Tube metal plate, have made an impression in it. Won\'t contact the same if you reuse.
Also the Thermal Paste that is impregnated in it, can dry up.
DO NOT reuse a Thermal Pad ]

A Thermal Pad is carefully peeled off. Then credit card scraper.
Then use Q-tips dipped in Isopropyl Alcohol. (Rubbing alcohol)
Don\'t worry about dripping, as the alcohol will evaporate.

91 percent is best, but 70 percent will do. 50 percent = No IMHO, because it is 50 percent Water, and 50 percent Alcohol.
It will take a LOT of alcohol dipped Q-tips, and is usually a gooey mess. (Not that bad though)

Isopropyl Alcohol is EXTREMELY FLAMMABLE!
Use in a WELL ventilated area with NO sparks or flames present.

Clean the Top of the Processor, and top of the graphics chipset.
Clean also the Bottom of the two metal plates of the Cooling Tube; which sit on them.

Apply Thermal Paste P-R-O-P-E-R-L-Y,

Don\'t know if you are familiar with Thermal compounds that use real Silver.
VERY good thermal conductivity properties, BUT can be hazardous to the computer!

Silver is not only an excellent conductor of heat, but also of Electricity.
Using too much will cause it to ooze off the top of the Processor, and down onto the Processor\'s contact pins, and any exposed solder joints on the motherboard; once the Processor reaches operating temperature.

Result is Short Circuit, and bye-bye motherboard, processor, and more.

Thermal Pad material? Make SURE you get the correct thickness.

Cut to fit.

I haven\'t read any Service Bulletins, nor have seen info about problems with the cooling, for the graphics chipset.

Awaiting questions, post in a Comment.


Dec 27, 2012 | Dell Motherboards

1 Answer

Remove fan d865perl

It depends. You usually must replace the entire heatsink/fan assembly. If you have the standard 'Intel' heatsink/fan that came with a retail boxed Intel processor, you flip the levers in opposite directions to loosen the assembly, and then you slip a thin piece of metal under each of the four hooks that attach it to the mobo, but you do them one at a time. You just pry a little bit and lift up on each one. After the last hook is freed, you pull the unit completely off the board.

There's also a power connector. Don't forget to unplug it. There are at least 100 different styles of HSF for that mobo. You also want to twist a little to work the thermal-transfer compound loose. Otherwise you might pull the processor out with the HSF.

Jul 05, 2012 | Intel Desktop Board D865PERL...

1 Answer

Computer was running . but the processor area was very dusty so i open the processor fan and clean then i locked the fan and when i on the computer then fan some moves then stop.what i do

how did you lock the fan ?
you might need to replace the fan
check the power lead/s to the fan
this could be a problem with your power supply unit and electrical leads
if the PSU units fan is not working the psu is fauty
check all leads that attach from motherboard to you hard drive
check that your dc/dvd drives are working
make sure the electrical leads and connections are secure
and clean all dust from electrical connections

hope this helps

Oct 12, 2011 | Intel D945GCNL Motherboard

2 Answers

Pc wont boot, MCP73PVT board, i have checked the ram, processor, heat sink and psu,cmos batt and still no joy, its starts for 4 seconds and turns off, all fans come on but nothing else no beeps

Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your "((MOTHERBOARD TO THE HARD DRIVE))" make sure they have a secure connection and are not faulty or just replace them they could be faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error hope this helps

May 21, 2011 | Packard Bell (181368) Motherboard

3 Answers

I have interl board.the fan of processor is working after some time disply come but after this the board not

Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect your hard drive
Test the leads that attach to your ((hard drive from the motherboard)) or replace all the leads that attach to your hard drive including electrical extensions + IDE,SATA and the ones that attach from your ((motherboard to hard drive))
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they could be faulty a computer needs its connections needs its connections continue its cycle and to have an end so any faulty leads will end up with a computer error
hope this helps

Apr 25, 2011 | Intel PENTIUM-4 865GV CHIP MOTHER BOARD...

1 Answer

Power passes through the laptop but the monitor is black

"Power passes through the laptop but the monitor is black"

I'll assume you mean the Indicator LED lights come on, and the Harddrive Activity LED light flashes.

[Not that you have tested the Voltage going to the Inverter, or Voltage coming out of the Inverter to the LCD screen]

1) Suggest you first test to see if the problem is the Inverter, or the graphics chipset on the motherboard.

Attach a VGA monitor to the VGA connector on the back of the laptop. (Laptop and monitor off)

Turn the VGA monitor on, allow it to 'Come to life'.
Turn the laptop on.

Press and hold down on the Fn key, then tap once on the F key that toggles the display over to an external monitor.

(Generally the F5 key. The display toggle key may have two symbols on it.
One is an icon of a laptop that is open, then there is a slash /, and an icon of a Monitor. (Rectangular outline)
Since you did not post the Model Name, and Model Number, I can only give you generic information)

No display? Tap the display toggle key again.

Chances are that you just have a bad Inverter.

An LCD screen cannot produce enough light by itself. It requires an additional light source.
A Backlight is the additional light source.

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp
Similar to Fluorescent lighting used in homes and businesses, but on a Much smaller scale in size.

[Typical example of a Backlight, ]

An Inverter is used to provide power to the LCD screen, and the Backlight.
An Inverter is small circuit board. Typically 3 to 5 inches long, and the width of a finger.

An Inverter is typically located behind the Display Bezel, and at the bottom of the LCD screen.
Attached with a screw, two screws, or tape.

90 PERCENT of the time the fault is the Inverter.

[Typical example of an Inverter,

2) IF the display does Not come on the external monitor.

Some models of laptops have a poor cooling system design for their GPU chipsets.
(Graphics Processing Unit. or slang term > graphics chipset)

The cooling system varies from laptop manufacturer to laptop manufacturer, and model to model, but typically;

A) Cooling Fan
B) Heatsink
C) Cooling Tube

Typical construction of a Heatsink is a plate of metal with tall, thin fins protruding from it.
The tall, thin fins absorb heat from the plate of metal.
The fins then radiate the heat away.

The Cooling Tube is attached on one end to the Heatsink. The Cooling Tube is normally filled with Nitrogen.
The other end of the Cooling Tube has a metal plate, or plates, attached to it.

The metal plate sits on top of the Processor's case. Some designs also have another metal plate, which sits on top of the graphics chipset.
Some do not.

The Cooling Tube absorbs heat from the Processor, and graphics chipset, then transfers the heat to the Heatsink.

The Cooling Fan draws air into the laptop through the Air Intake Duct, then flows air through, and around the fins of the Heatsink.

With some laptop cooling system designs, as mentioned above, there is no metal plate sitting on top of the graphics chipset.
The Processor, and graphics chipset are the two hardware components that put out the most heat.
If no metal plate is used to transfer heat away from the graphics chipset, the graphics chipset can overheat.

Other laptop cooling designs are inadequate in the cooling system provided, in relation to, if they do have a metal plate sitting on top of the graphics chipset.

The fan size, and/or the Heatsink's capability, are underrated in relation to taking care of both the Processor, and graphics chipset.

The Processor may receive adequate cooling, but the graphics chipset does not, and overheats.

If a Processor overheats, it turns off. (BIOS turns it off) This is so the Processor does not burn up.
Not so with a graphics chipset. It will overheat, and burn up.

Usually before the graphics chipset does burn up however, there is another process that happens.

The graphics chipset is mounted in a BGA surface mount, to the motherboard.

With the older Processors there were pins that came out of the bottom, and inserted down into socket holes in the processor socket.

With a BGA surface mount the chipset has solder balls in place of the pins.
The motherboard has matching copper pads.

The chipset is set into place on the motherboard's copper pads, then the chipset is heated until the solder balls melt.
This action solders the chipset to the motherboard.

If a graphics chipset becomes too hot, the solder begins to melt again.
The solder connections are now bad, and no graphics are displayed on the LCD screen.
Monitor is Black.

This is information on the problem above, in relation to the HP Pavilion dv2000 series, dv6000 series, dv9000 series, and a lot of other laptop computers.
Also a possible solution to repair.

(I would use a Heatgun instead)

If you post the Model Name, and Model Number, I may be able to find a free Service Manual for your Toshiba laptop.
(Example Toshiba Satellite P105-S9937
Toshiba: Laptop manufacturer name
Satellite: Model Name
P105-S9937: Model Number)


Dec 10, 2010 | Toshiba Motherboards

1 Answer

I HAVE A K7VTA3 V6 Motherboard (SOCKET A). I would like to replace the processor but I can not remove the cooling fan/heatsink assembly. I have never seen such a clamp. Is there a diagram with...

You could try to take pictures and upload them to a site like PhotoBucket...
Anyway, usually the thermal paste used is adhesive. (it sticks). So just pulling the clap real hard and then trying to force the sink off should work.
Else try to post a picture.

Dec 07, 2009 | EliteGroup ECS Motherboard MB K7VTA3...

1 Answer

Fan mount broken

YEs you can purchase new processor fan and also if you are some tech savvy then you can change its clip.
BUt new processor fan purchase is good choice becasue not cost of it.

Jun 21, 2009 | ASUS CROSSHAIR Motherboard

2 Answers

Msi and axper motherboards not powering up

if you have an oscilloscope set it for 4 div. = 15volts
on the first mobo: check the primary resistors and, capacitors at the power supply plug going into the mobo. On the second look for a temperature sensor that senses the CPU heat triggering the fan; this is located right next to the fan plug. and, make sure you have a good power supply too check it for proper voltages

Jun 09, 2009 | MSI K8MM-V Motherboard

2 Answers

Actually my system is having the problem like motherboard led is glowing powersupply fan processor fan spinning but when we remove memory there is no beeps from the board so what can be the problem please...

The motherboard LED is supposed to glow, indicating that the board is residually powered, after disconnection
of external power and as a warning of this condition so that you will not further disconnect or connect any
peripherals until the charge on the power retention capacitor is properly dissipated.

The Power Supply and Processor Fans should only run while power is applied, and if the Processor fan is always running at a high, possibly noisy, velocity, additional Processor Cooling may be necessary by means of a higher efficiency heat dissipation system.

If you remove memory from the board, the system should not initiate, as memory has little or nothing to do with
the problems you cite, but everything to do with the proper initiation of your system.

Buy a larger Processor Fan Assembly and those symptoms you cite which actually are problems should cure
themselves, while those symptoms you cite which are not problems will still not be problems.

Apr 18, 2009 | Gigabyte GA-8I845GVM-RZ Motherboard

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