Question about EliteGroup K7VMM Motherboard

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Comp not firing up

I installed all my old parts into a new case for my sister, an the computer dosen't fire up, the processor fan spins for about a second but the PSU dosen't, its a new case which came with the PSU but could this be a problem with the PSU?, i have nothing else plugged in apart from the power to the motherboard

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  • mythical_72 Jun 18, 2008

    ty for you help, it seemed to fix the prob, but then another one came, when i tried it in the case :S



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Something may be shorting out the board. Try taking the motherboard out and turning it on without the case. Just put the motherboard and power supply on a non-static surface. A box works well. Then use a flathead screw driver to temporary "jump" the 2 power switch pins for the front panel connection (as you wont be turning it on while inside the case).

If that doesnt work, then replace power supply. You could also take one out of another working computer just to test.

Posted on Jun 18, 2008


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1) Clean the inside of the computer. Power unplugged to computer, Anti-Static Precautions used, use a can of air, or two, to clean.
(Compressed air for computers)

2) Computer case open, computer plugged into power, turn the computer on, observe the cooling fans.

A) Processor: A processor may have it's fan sitting on top of the finned Heatsink, which sits on top of the processor,

OR, the fan may be a computer case fan in the Front of the computer, and uses a plastic tuned port to deliver air from the fan to the Processor.

In either case observe the rotation of the fan. See if it seems to be spinning at the correct speed. (RPM's)

See if it spins intermittently. Spins a few times, then slows down, or stops, and then spins again.

3) Check the Thermal Paste.
If the thermal paste in-between the top of the Processor's case, and the bottom of the Heatsink, has dried up, the Processor will overheat.

If a Thermal Pad is used, remove it, fly it at the cat like a Frisbee. They are J-u-n-k.

Clean the top of the Processor's case, and the bottom of the Heatsink, THOROUGHLY, and Properly apply fresh, new thermal paste.

For additional questions post in a Comment.


Dec 09, 2011 | E-Machines eMachines Desktop PC

1 Answer

Koliki je broj obrtaja RPM ventilatora A38001-001; kakve lezajeve ima; kako se odrzava (cime se podmazuje) i koliki mu je ukupan vek eksploatacije u casovima rada hours? Thank You for Your`s Assistance,...

No, that fan is cookin'! > Spinning too fast.

The Sanyo A38001-001 from Intel, is only designed to spin in those RPM's when the Processor is REALLY Hot!

Usual RPM's are around 1750 to 1850.

A) Did you just buy and install this Heatsink/Fan combo?

1) If so, did you thoroughly clean the top of the Processor's case?
Used a scraping implement like a plastic credit card to scrape off the old Thermal Paste, and then used Q-tips dipped in Isopropy Alcohol?

[ Also know as Rubbing alcohol. 91% is best, but 70% will do in a pinch. Make sure it's dry afterward though. {91 percent alcohol, 9 percent Water, or 70 percent alcohol and 30 percent Water)

The Q-tips dipped in alcohol will wipe up the gooey mess of thermal paste. Usually takes quite a few Q-tips.

Isopropyl Alcohol is EXTREMELY FLAMMABLE!

Use in a well ventilated area with No sparks or flames present.

2) You did apply Thermal Paste, and correctly?
One small drop about the size of a large pea, in the middle of the top of the Processor's case.

Then set the Heatsink/Fan combo on top of the Processor, and tighten the screws down in a Criss-cross fashion

3) Tighten one screw down one turn. Go to the Opposite Corner, tighten that screw down one turn.
Skip over and tighten the other two screws down one turn as detailed above. You are tightening in an X pattern.

Make SURE the Heatsink's bottom is flat and level on top of the Processor's case.
If it is tilted even slightly, the heat transference won't be worth writing home to Mom about.
The Processor will overheat, and the fan will spin at high RPM's.

4) Is the Fan cable (Wires) plugged into the motherboard tightly? Plugged into the correct fan connector on the motherboard? (CPU_FAN)
Does the motherboard's Cpu fan connector have the same number of pins needed, as the fan cable connector requires?

B) If this Heatsink/Fan combo, (Sanyo A38001-001) has been installed for quite some time, check to see if the Thermal Paste has dried up, or is drying up.

Since 2004?
Yep, you better pull that Sanyo A38001-001 off, and check the Thermal Paste.
Computer unplugged from power, OBSERVE Anti-Static Precautions.
A Processor is the most susceptible hardware component to Static shock.

Clean the Processor and bottom of the Heatsink as stated above. Properly apply fresh, new Thermal Paste.

Example of Thermal Paste. (Maybe there is a 'Mom and Pop' computer store near you, that you can buy a one Processor application, for around $2)

Check for a loose Cpu fan cable connection.

Make sure the Heatsink/Fan combo is seated tightly on the Processor.

Have any further questions please post in a Comment.

Nov 18, 2010 | Intel (A38001-001) Fan Assembly

1 Answer

My monitor is not booting up but powered up, what is the problem? the fan is real loud but nothing else works

I see this is your second posting. Good for you in adding the additional information.
This may be rather lengthy genevacotton, so grab something to drink, and sit back.

The cooling system for a desktop computer consists of air flow through the computer case.
Air is brought in from the Front towards the Back of the computer. (Or for some gamer computers, through the top, or side, and out of the back)

Air helps to cool the hardware components inside the computer.
A Processor is one of the two main components to develop the most heat.

[ Below shows a typical Intel Pentium 4 processor. Operates at a maximum frequency rate, ('Speed') of 3.0GigaHertz,

Under the bold black heading > Intel Pentium 4 3.0GHz RK80546PG0801M ( BX80546PG3000E),
look at the tabs >
Specifications, Pictures (3), CPU ID, and Comments (0)

Click on > Pictures (5)

You can click on any of the photos to enlarge.

The photos show the top view of a Processor.
The silvery looking square case in the middle is the Processor chipset.
The Green square surrounding it is a circuit board.

Click on the third photo down. The one under 2008-10-05 14:56:45

Holding that circuit board up off of that flat black surface, are pins. These you do not see in the photo.
For this particular Intel Pentium 4, there are 478 pins.
This Processor fits in a Socket 478 processor socket.

The photo shows the top of the Processor's case, with No Heatsink sitting on it.

This is a typical Heatsink/Fan combo,

The Heatsink is the aluminum looking square object under the fan.
Your particular desktop computer may not use a fan on top of the Heatsink.

It may have a Fan in the front which draws air through a plastic tuned port.
The plastic tuned port in turn, then goes over the Heatsink sitting on top of the Processor.

Case in point with all of the above prattle?

The Thermal Paste used in-between the top of the Processor's case, and the bottom of the Heatsink, has dried up.

The top of a Processor's case, and the bottom of a Heatsink, are not perfectly smooth.
A microscopic view would reveal 'Pits, Hills, and Valleys'.
When the two surfaces of the Heatsink's bottom, and the Processor's top are put together, the before mentioned imperfections create Air Pockets.

AIR is an Insulator. Not a Conductor.
Thermal Paste is a Conductor. It conducts heat from the top of the Processor's case to the bottom of the Heatsink. and fills in the imperfections.

When thermal paste dries up it looses it's conducive properties.

The fans are designed to spin at an RPM, (Revolutions Per Minute), that is in compliance with the needed cooling for the Processor.
Processor isn't running very hard, fan/s spin at normal speed, (RPM)

Processor is running hard from multiple programs running, or intense games, the Processor heats up, and the fan/s spin faster.

Whenever the Processor heats up past it's thermal limit, (Maximum operating temperature), the fan/s spin faster.
If the Thermal Paste is dried up, the Heatsink, and Fan cannot cool the Processor properly.
The signal is given to the fan/s to speed up, but they still cannot cool the Processor.

The Processor overheats, and shuts off. The fans still spin at max RPM.
No computer operating, fan/s spinning at high RPM.

Nov 15, 2010 | Computers & Internet

2 Answers

The fan is making a loud noise on my Dell Dimension 4700. Should I keep using the computer or turn it off? Can the fan be replaced?

The fan is loud for a reason. It's spinning at top speed.

The reason it is spinning at top speed, is to try to keep the Processor cooled down.

A Processor has a thermal limit. A temperature it can reach, and no more.
If the temperature exceeds this thermal limit, the Processor turns off.

This is a Fail Safe feature to keep the Processor from burning up.
The reason the Processor is overheating is due to one of two factors, or both.

ONE: The computer is dirty inside. (To include the inside of the Power Supply)

The Dimension 4700 uses a computer case fan to cool the Processor.
A fan shroud is used to divert air over the Heatsink, which sits on top of the Processor.

Click on Processor in the list, then scroll down to Fan Assembly

Looking at the Heatsink sitting on top of the Processor, you'll notice part of it is a finned aluminum rectangle.
Heat is transferred to the fins where they radiate it away.

Air flows in-between the fins, and around the fins to help dissipate the heat. (Carry it away)

Dust, dirt, hair, etc., trapped in-between the fins, and on the fins will greatly reduce the cooling capacity of the Heatsink.

It also reduces the cooling capacity of the computer case fan, and the transference rate of the fan shroud.

Computer unplugged from power, observe Anti-Static Precautions, and use a can of compressed air for computers to clean out the inside of the computer.

[Anti-Static Precautions:

Your body carries Static electricity.
Static can fry out (Short Circuit) the hardware components inside a computer.

{Processor, Ram Memory, Harddrive, motherboard chipsets, graphics chipset, or graphics card chipset, etc.}

Relieve your body of Static BEFORE reaching inside your unplugged from power computer, AND before handling computer parts.

Computer on a table, computer unplugged from power, computer case open.
TOUCH the metal frame of the open computer case.

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

Pay special attention to the fins of the Heatsink.
Also pay special attention to the computer case Fan.
You can gently use Q-tips to break the outside 'crust', and then follow with a can of air.

(A Q-tip can be used to disturb the outside 'crust' layer. Just wipe it around, and do not be concerned with wiping off any gunk.
By breaking the outside layer of gunk, {'Crust'}, it is easier for the can of air to remove it. May take a few Q-tips as they unravel pretty easily.

Q-tips are good for getting into the 'crack' where the fan's blades meet the center hub. Also on the edges of the fan's blades.
Make sure the Center Hub, area where the fan blades meet the center hub, fan blades, and surrounding cage, are clean.)

TWO: The thermal paste has dried up.

Thermal paste is used in-between the top of the Processor's case, and the bottom of the Heatsink.

The bottom of a Heatsink, and the top of a Processor's case, are not perfectly smooth.

[ Intel Pentium 4 {Prescott Core} processors. Photos show the top of the Processor's case. The case is the silvery looking square. The green outer square is a circuit board the processor core is mounted to. ]

A microscopic view would show, 'Pits, Hills, and Valleys' in the surfaces of the top of the Processor's case, and the bottom of the Heatsink.

These imperfections create an Air Pocket.
Air is an Insulator, not a Conductor.

Thermal paste, (Also referred to as Thermal Grease), fills these voids.
Thermal paste is an excellent Conductor.

Thermal paste MUST always be used in-between the top of a Processor's case, and the bottom of the Heatsink.
(NOTE* If a thermal Pad is used, remove it throw it away.
They are JUNK, and can't be reused anyway)

Processors heat up when being used. They become Very Hot.
The constant heat causes the thermal paste to dry up.
Now heat isn't being transferred to the Heatsink as it should.
The thermal paste has lost it's conducive factor.

The solution is to THOROUGHLY clean the top of the Processor's case, and the bottom of the Heatsink, and PROPERLY apply fresh, new thermal paste.

The cost of a one-time, (One processor) application of thermal paste averages from $3 to $12.
Depends on what thermal paste you buy.

Using ANY fresh, new thermal paste, is better than using dried up thermal paste, or no thermal paste at all.

If you wish to know the proper procedure of cleaning, and applying thermal paste, please post in a Comment.

Dell Support > Dimension 4700 series desktop computer > Service Manual,


Oct 31, 2010 | Dell Dimension 4700 PC Desktop

1 Answer

Sister, Son and I all have the same model Sony Desk Top Computer. Model VGC RB57GY. Computers are overheating and showing overheating error and shutting down. Mine now is shutting down after even a...

May I ask what Temperature you are referring to, and where you are looking for the temperature at/in?
Do you have external software that reads these temps?

Motherboard temperature?
CPU (Processor) temperature?
ATI Radeon X300 graphics card GPU temperature?
(Graphics Processing Unit)

CPU temp:
What Processor is installed, and what is the maximum thermal limit for it?

Intel Pentium D Model 820.

64.1 degrees Centigrade, or 147.38 degrees Fahrenheit.

Checked the thermal paste to see if it has dried up?
Even if it hasn't, cleaning the bottom of the Heatsink, and the top of the Processor's case, and applying fresh, new, thermal paste is the way to go.
After a certain amount of time, thermal paste loses it's thermal conductive properties.

If it is a thermal pad, remove it, fly it out the window. They're junk.
Use fresh new thermal paste instead.
(Be sure to observe Anti-Static Precautions)

Fans are all working fine.
According to whom?
The tech?

Not doubting your abilities for one second. DO doubt the many 'techs' who profess so.

Computer case open, observe the Processor Fan. Ensure that is is spinning at all times, and not intermittently.
Also ensure that the fan is spinning at the correct RPM's.
(Revolutions Per Minute)

Same with the computer case fan's, Front and Rear.

Computer clean inside?
1) Processor fan?

2) Heatsink?

3) The area of the motherboard you can see with the computer case open?

4) The area Behind the motherboard, that you Cannot readily see, without removing the motherboard?

5) The ATI Radeon X300 graphics card?

6) The Heatsink on the Northbridge chipset?

Check the cable connection of the Processor fan to the motherboard, and the computer case fans, IF, they (Case fans), have three wires, AND are connected to the motherboard.

One wire is for Power
One wire is for Ground
One wire is for a sensor that detects when the fan should speed up.

Processor fan spin freely? Computer case fans? Feel like they/it, may have a bad bearing?

Let's diagnose together, and see if we can solve this.
If all of the above reads like a foreign language to you, I will explain step by step, and guide you.

Aug 16, 2010 | Sony VAIO VGC-RB57GY PC Desktop

3 Answers

Cpu fan failed haved system serviced immediately system will power down in 5 seconds

After the computer has powered off, unplug it from power.

You need to replace the Processor fan.

(CPU stands for Central Processing Unit.
Another term used is Microprocessor, or simply Processor)

When a Processor becomes too hot, (Passes it's thermal limit), the Processor turns off.
(BIOS turns it off)

This is a Fail Safe feature to keep the Processor from burning up.
(Literally in some cases, as in on Fire!)

Your motherboard was made by TriGem.
It's a TriGem 2002052.
HP's name is Glendale.

Scroll down for a photo, and illustration of the motherboard.

There are No hardware components installed on the motherboard.
No Processor, Ram Memory, or any expansion cards in those white PCI slots.

The Black rectangular 'frame' you see, with the White rectangular block in the middle, (Has socket holes in it), is where the Processor plugs in.

When you open your computer, you will not see the Processor.
It is under the Heatsink, which is under the Processor fan.

Basic example of a Heatsink, with a Processor fan sitting on top of it,

It is that CPU fan, (Processor fan), that has failed.
The fan has bad bearings, and is no longer spinning, or spinning Very slow.

(Or spins a few times, stops, then spins a few times again, and so on)

Replace the Processor fan.
A better method is to replace the Heatsink, and Fan as a combo.

As shown in the above link.

The HP Pavilion 513c desktop computer, uses an Intel Pentium 4 processor, or Intel Celeron processor, that fits in a Socket 478 processor socket.

HP Pavilion 531c specifications from HP Support,

Not very explanatory, I'll admit, but under the heading
Base processor and speed,
it lists,
C(W) 1.8GHz /400

Stands for the Processor when operating at maximum capability, will have a frequency rate of 1.8GHz

The 400 stands for 400MHz FSB.
(Front Side Bus)

Looking back at the motherboard illustration, you will see - Socket 478 printed on the processor socket.
Only used for Intel Pentium 4 processors, and Intel Celeron processors.

You need a Heatsink/Fan combo that fits on a Intel Pentium 4 processor, that fits in a Socket 478 processor socket.

1) Work on a table

2) Computer unplugged from power, open the computer case.

3) Observe Anti-Static precautions

[Anti-Static Precautions:

Your body carries Static electricity.
Static will fry out (Short Circuit) the hardware components inside a computer.

Power unplugged from the computer, TOUCH the metal frame of the open computer case.
This will relieve your body of Static.

Should you get up, and leave your computer in the middle of working on it, upon your return be Sure to Touch the metal frame again ]

4) Use a can of compressed air for computers, and attach the plastic straw provided to the can of air's nozzle. You may wish to use a dust mask.

[DO NOT use a vacuum! Vacuums create Static electricity]

4) Spray the inside of the computer out.
Start at the top left corner, and go across to the top right corner. Let go of the trigger.

Start again. Drop down a space, (1 inch or so), spray another row across.
Keep going down in rows.

If there is thick 'Gunk', (Dirt, dust, hair, etc.), use Q-tips to dislodge the gunk, then spray air again.
(You are in essence breaking the 'crust', then the can of air can spray it out)

When you reach the bottom, tilt the case towards you, spray the bottom of the case (Computer case) out.

5) Unplug the 20-pin ATX main power cable.

[Example of a 20-pin ATX main power cable, and it's connector,

Note the plastic locking mechanism on the side of the connector. This lock works like a see-saw on a playground. It is hinged in the middle. Squeeze the top of the lock in, to unlock it ]

6) Remove the 4-pin ATX +12 Volt power cable.

Has a lock on the side also.
(Don't forget to plug it back in, when you are finished installing the new Heatsink/Fan combo. It is power for the Processor.

Make sure both power cables above are plugged in tight, when reinstalling them)

Continued in a Comment.

Jul 01, 2010 | HP Pavilion 513c PC Desktop

1 Answer

Compressor will not fire suspect caps how to troubleshoot

how old is unit,or i missed it.,caps are a great non compressor start,some caps are "dual-caps" one is for comp and other is for fan,will have 3 terms in that case,they are a good investment if unit is over 5yrs old,they're not cheap,can you put a ("headset")manifold gauge set on and see if low on refrigerant,that will cause same problem/fan but no a/c compressor

Jul 27, 2009 | Coleman Heating & Cooling

1 Answer

CPU Fan Doesn't Spin

First time that I had heard of a Sony Vaio VGC-LS1, so I had to go take a look. Pretty Cool!

I can only tell what I think from a tech standpoint of view on it's processor fan.

1.This computer is housed in a housing that incorporates the LCD screen also. It's set up just like a laptop, except the LCD screen is in the body. (Housing)

This means you not only have the heat of the processor when it's running, you also have the heat of the LCD screen.
Plus it's all packed into one tight 'box'.

Processors give off a lot of heat by themselves. If they aren't kept to a certain thermal limit, they will burn up. Literally! Like ON FIRE!

When a processor goes beyond that thermal limit, there is a built-in Fail Safe feature that turns the processor off.

In ANY computer I've seen, or worked on, the processor fan is constantly spinning. As the load for the processor increases, so does the heat given out by the processor, and the fan spins faster.

It is my contention that you have a bad processor fan. I would at least ask a tech in your area, and see if this is so.
If your computer is turning off on you while you are using it,
you have a bad processor fan.

Apr 13, 2009 | Computers & Internet

1 Answer

Compaq Presario Wont Boot

Hi, my name is ArmyMason, hate to tell you this, but it sounds as if you have a bad Processor. Did you recently experience a bad storm with lightning? Was their a lot of dust on the fan? Lightning could have struck the computer and killed the processor or excessive overheating of the processor could have also been the case. If it was a lightning strike I would contact the insurance agency and have them replace your computer. Reason I think its the processor is because you don't recieve any post and the fan spins for a second and then shuts off.

Feb 23, 2009 | Compaq Presario SR1030NX (DW256A#ABA) PC...

2 Answers

Computer restart

yes the problem as you discussed was the processor's overheating. first, you need to open up the side cover of your casing then switch on check vissually if the fan of the processor is spinning if not then you need to replace this. and if this is spinning upon power on, the power supply will be checked its voltage.

Mar 25, 2008 | Computers & Internet

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